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Tuesday, June 20, 2017

THE HINDU EDITORIAL: 16, JUNE – 2017

THE HINDU EDITORIAL


A) SHOOTS TAKE ROOT: ON FED HIKE

The biggest take away from the U.S. Federal Reserve’s decision to raise the federal funds rate, for a third time in six months, is its assertion that growth in the world’s largest economy has gained traction and is on course to warrant further “gradual” rate increases. Fed Chair Janet Yellen emphasised the factors underpinning this rebound in economic activity — an “ongoing improvement in the job market and relatively high levels of consumer sentiment and wealth” that have spurred household spending, an expansion in business investment, and most significantly, a global pickup in demand. This offers more reassurance that the global economy may have finally re-emerged from the post-financial crisis doldrums. It is also noteworthy that the economic revival has been happening amid heightened policy uncertainty worldwide, especially in key areas like trade, as political tumult continues to roil the U.S. under the Donald Trump administration and, more recently, the U.K. as well. And while Ms. Yellen reiterated that the American central bank remained on alert in monitoring inflation developments, given a recent softening in price gains, the Fed’s decision to announce the contours of a programmed to gradually pare the size of its $4.5 trillion balance sheet is another sign that the U.S. economic engine is warming up. India’s exporters can take heart that demand in one of the largest markets for their goods and services is likely to continue to strengthen in the coming months. The Fed also bumped up the median projection for U.S. economic growth in 2017 to 2.2%, from 2.1% forecast in March. Ms. Yellen and her colleagues on the Federal Open Market Committee have also done well to ward off a 2013 ‘taper tantrum’-like scenario by flagging the projected path of balance sheet normalization — a deliberate and clearly calibrated set of reductions that increase over time — without detailing a schedule for the start of the process. Clearly spelling out that the plan to decrease reinvestment of principal payments from asset-backed and Treasury securities is conditional on the economy staying its anticipated course, the Fed has earmarked this year as the broad time frame for its start. India’s monetary authorities can derive some reassurance that they are not alone in adopting a policy stance that seems counter-intuitive to some in the light of slowing inflation in their respective economies. While the Fed describes its stance as “accommodative” to spur further strengthening in labour market conditions and a sustained return to 2% inflation, the Reserve Bank of India has said that its “neutral” poise is intended to continue support for economic expansion while ensuring price stability. The common theme is the welcome emphasis on consistency and stability in the messaging.


B) No time to work
In a welcome move this week, India has ratified two key global conventions meant to keep children away from work, decades since they were originally adopted by the International Labour Organisation. Nonetheless, the skepticism aroused by the Child Labour (Prohibition and Regulation) Amendment Act, 2016 over the government’s commitment towards complete abolitionof child labour will persist. The ILO treaties are about the minimum age at which a person may begin work and the hazardous industries where she may not. Crucially, conventions 138 and 182 of the United Nations body leave it to the member-states to determine what constitutes acceptable or unacceptable work for children at different ages. Such flexibility has given the Indian government wiggle room in adopting the international standards in question, even though the 2016 legislation falls several notches below a comprehensive prohibition of child labour. The Act contains the controversial provision that condones the employment of children below 14 years under the rubric of family enterprises and the declassification of several industries as hazardous occupations. The detrimental effects on the ground from these dilutions of the original 1986 Act could be widespread. With roughly 90% of the workforce continuing to remain outside the ambit of the organised sector, protecting vulnerable children from exploitation is difficult. The rules notified by the Ministry of Labour and Employment for the enforcement of the 2016 amendment include some small concessions. Under these stipulations, children may work in domestic enterprises only for three hours after school, and not between 7 p.m. and 8 a.m. These restrictions are intended to ensure attendance at school. But given the sensitivities involved in monitoring activities within traditional households, effective enforcement will pose a challenge, and the rescue of vulnerable children will remain an uncertain proposition. India’s ratification of the two conventions, after more than 165 countries have legally bound themselves to their obligations, is itself a sad commentary on the priorities of successive governments, cutting across party lines. The ILO’s Minimum Age Convention of 1973 entered into force in 1976 — and the instrument pertaining to the elimination of the worst forms of child labour in 2000. While policymakers are no doubt alert to the inequities that perennially plague Indian society, the practical realities are too painful for the millions who languish on the margins. Any genuine enforcement of a minimum age at work will elude governments so long as a universal minimum wage of subsistence for the adult workforce is not implemented scrupulously. On this score, the record of different States is at best patchy. This scenario is unlikely to improve in the absence of a vibrant mechanism of collective bargaining among stakeholders. Without this, the total elimination of child labour will remain a difficult task.


WORDS/ VOCABULARY
1) Assertion
Meaning: A confident and forceful statement of fact or belief.
Example: She very quickly asserted her authority over the class.
Synonyms: Declaration, Claim

2) Traction
Meaning: The ability of a wheel or tyre to hold the ground without sliding.
Example: In deep snow, people should use snow tyres on their vehicles to give them better traction.
Synonyms: Grip, Friction, Adhesion

3) Underpinning
Meaning: To give support, strength, or a basic structure to something.
Example: He presented data to underpin his argument.
Synonyms: Nub, Hub, Kernel

4) Spurred
Meaning: To encourage an activity or development or make it happen faster.
Example: Rising consumer sales have the effect of spurring the economy to faster growth.
Synonyms: Stimulus, Incentive, Encouragement
Antonyms: Disincentive, Discouragement

5) Reassurance
Meaning: Words of advice and comfort intended to make someone feel less worried.
Example: I felt I couldn’t cope with the situation and was in desperate need of some reassurance.
Synonyms: Buoy Up, Cheer Up, Comfort, Soothe
Antonyms: Alarm, Unnerve

6) Doldrums
Meaning: Unsuccessful or showing no activity or development.
Example: Her career was in the doldrums during those years.
Synonyms: Depression, Melancholy, Gloom
Antonyms: Happiness

7) Tumult
Meaning: A loud noise, especially that produced by an excited crowd, or a state of confusion, change, or uncertainty.
Example: You couldn’t hear her speak over the tumult from the screaming fans.
Synonyms: Din, Loud Noise, Racket
Antonyms: Silence

8) Reiterated
Meaning: To say something again, once or several times.
Example: The government has reiterated its refusal to compromise with terrorists.
Synonyms: Repeat, Say Again, Restate

9) Contours
Meaning: An outline representing or bounding the shape or form of something.
Example: This map has contours marked at 250-metre intervals.
Synonyms: Outline, Silhouette, Form

10) Bumped
Meaning: An increase in something.
Example: There had been a bump in the number of students with learning disorders.
Synonyms: Nodule, Node, Outgrowth, Growth
Antonyms: Pothole

11) Calibrated
Meaning: Carefully assess, set, or adjust (something abstract).
Example: The regulators cannot properly calibrate the risks involved.
Synonyms: Modify, Alter, Regulate


12) Treasury
Meaning: The government department, in the UK and some other countries, that is responsible for financial matters such as spending and tax.
Example: The Treasury has announced new taxes.
Synonyms: Exchequer, Purse

13) Earmarked
Meaning: To keep or intend something for a particular purpose.
Example: Five billion dollars of this year’s budget is already earmarked for hospital improvements.
Synonyms: Set Aside, Lay Aside, Appropriate, Designate

14) Ratified
Meaning: (Especially of governments or organizations) To make an agreement official.
Example: Many countries have now ratified the UN convention on the rights of the child.

15) Skepticism
Meaning: Doubting that something is true or useful.
Example: The Company’s environmental claims have been treated with scepticism by conservationists.
Synonyms: Doubt, Disbelief, Atheism
Antonyms: Conviction

16) Abolition
Meaning: The official ending of an activity or custom.
Example: The public wanted to retain the death penalty; parliament decreed its abolition.
Synonyms: Scrapping, Ending, Stopping
Antonyms: Retention, Creation

17) Wiggle
Meaning: To (cause to) move up and down and/or from side to side with small, quick movements.
Example: He tried wiggling the control stick but nothing happened.
Synonyms: Jiggle, Twitch

18) Condones
Meaning: To accept or allow behavior that is wrong.
Example: If the government is seen to condone violence, the bloodshed will never stop.
Synonyms: Deliberately ignore, Forgive
Antonyms: Condemn, Punish

19) Rubric
Meaning: A set of instructions, especially on an exam paper, usually printed in a different style or color.
Example: Read the rubric carefully.
Synonyms: Title, Legend

20) Languish
Meaning: To exist in an unpleasant or unwanted situation, often for a long time.
Example: After languishing in obscurity for many years, her early novels have recently been rediscovered.
Synonyms: Weaken, Wither, Waste away
Antonyms: Thrive, Flourish

21) Patchy
Meaning: Sometimes good and sometimes bad.
Example: Matthew found the service extremely patchy.
Synonyms: Uneven, Bitty, Intermittent, Fragmentary
Antonyms: Uniform, Complete


Monday, June 19, 2017

DIRECTION CONCEPTS- A

DIRECTION CONCEPTS AND SHORT CUTS



Note:
1)There are 8 directions in all i.e. N, S, E, W, NE, SE, SW, NW
2)Angle between 2 crosses i.e. NW & NE or N and E etc is 90*
3)Angle between direction and a cross is 45* i.e. between N & NE or E and SE, etc.


Main Questions that are asked:
1)Find the Final Direction
2)Starting  point direction with respect to the ending point
3)Ending point direction with respect to starting point

Example 1.
A Person is walking towards east 5 meters then he turned towards his right and walks 10 meters. Later in the journey he turned towards his right direction and walks for 15 meters finally he turns right and walks 10 meters.

(i)What is his final direction?-ans:North

(ii)How far is he from his starting point and in which direction?- ans: 10 meters-west

(iii)In which direction is his starting point from ending point?-ans: East


SHORT CUT METHOD:

Steps
1)The 1st line in the question says that person walks 5m east so write 5m under the east column.

2)The 2nd line says that he turns right and walks 10m since he is facing east so his right would be ‘SOUTH’ direction therefore he walks 10m south so write 10m under the south column.

3)The 3rd line says that he turns right again and walks 15m so right of south is west so write 15m under west column

4)Further the question says that he finally turns right and walks 10m so right of west direction is north so write 10m under north column.
So answer is 10 meters west ( see table for the reason)

5 )LOGIC behind the short cut
 a) Same direction
   Ex.North
      10 m
      10 m = 20m
   Then it gets added

b) Opposite direction



3) Opposite direction



Note for step 3 : for point three take the direction asthe bigger one this becomes the starting point direction with respect to ending point therefore the ending direction with respect  to starting point is east.

6)Drawback though this is the fastest way of solving a direction without using a diagram. But we cannot find the ending   direction with this step.

Reasoning Notes: Puzzles

Introduction: From practical experience and the general trends, it can be asserted that the question on “puzzle” can be generally classified into the following types of problems:-

1. Simple problems of categorization
2. Arrangement problems
3. Comparison Problems
4. Blood Relations
5. Blood Relations with professions
6. Conditional selection
7. Miscellaneous problems
In the puzzles, you shall be given fast-working and efficient methods for all the types of problems above.
Initial steps 
1. First of all, take a quick glance at the question. This would need not more than a couple of seconds.
2. After performing this step you would develop a general idea as to what the general theme of the problem is.
3. Next determine the usefulness of each of the information and classify them accordingly into “actual information” or “useful secondary information” or Negative information as the case may be.

This can be one in the following way: 
(A) Useful secondary information: Usually the first couple of sentence of the given data are such that they give you some basic information that is essential to give you the general idea of the situation. These can be classified as useful secondary information.
(B) Actual information: Whatever remains after putting aside the useful secondary information can be categorized as actual information. While trying to solve a problem, one should begin with the actual information while the useful secondary information should be borne in mind.
(c) Negative Information: A part of the actual information may consist of negative sentences or negative information. A negative information does not inform us anything exactly but it gives a chance to eliminate a possibility. Sentences like “B is not the mother of A” or “H is not a hill-station” are called negative information.

(1) Simple problems of categorization
The most simple type of problems in this lesson falls under this category where you would be supposed to analyse the given data and simply place different items in different categories according to the given information.
Example (i): There are six cities A, B, C, D, E and F and they belong to atleast one of the types of places i.e. Historical, Industrial and Hill station. B is not an industrial area. C and F belongs to all types of places. E is both industrial and Hill station. A is not a hill station. B and E are not historical places. D is not an industrial city. A and D are not historical cities. A and B are not alike.
Solution:

(Here since A is not a hill station, we put a cross under a column and infront of Hill station Row, this would reduce the number of choices for us. (similarly for all the other options)

Example (ii) Four friends Ankit, Amit, Akash and Ajay went to four different cities Mumbai, Delhi, Hyderabad and Nagpur for interview in four different companies TCS, Wipro, IBM and HCL. But not in the same order. 
Ankit was not invited by TCS. Amit did not go to Hyderabad and was not invited by IBM and TCS. IBM conducted in Nagpur. Akash went to Mumbai. Ankit did not go to Nagpur and was not invited by HCL. 



(2)Arrangement problems: In this type of questions, the problems is essentially of arranging a group of people, objects etc. According to the given specifications. Arrangement problems can be of two types (i) Linear arrangement and (ii) Circular Arrangement. 
The questions of this type are also referred to as “Seating Arrangement
Example: Six persons A, B, C, D, E and F are seating in two rows, three in each. 
E is not at the end of any row. 
D is second to the left of F.
C, the neighbour of E, is sitting diagonally opposite to D. 
B is the neighbour of F. 
Solutions:  

(3) Problem on Comparison: In these questions a comparison of different objects or persons have to be made and conclusions have to be arrived on the basis of comparison. 
Comparison can be made: 
(i) Comparison of heights 
(ii) Comparison of marks 
(iii) Comparison of age, etc.

You may use the following symbols for comparison: 

Example: Among four friends A, B, C and D. A is taller than, who is shorter than D. D is not the tallest and A is shorter than D.
Solutions: C > D > A > B or  C
                D
                A
                B
(Tallest to shortest, from above to below) 

(4) Problems on Blood Relations: Problems of this type involve analysis of certain blood relations and then inferring on the basis of the given information. 
Example: All the six members of a family A, B C, D, E and F are travelling together. B is the son of C but C is not the mother of B. A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of B. 
Solutions: 

(5) Problems on Blood Relations with professions: These problems are very much similar to the problems on Blood Relations. Only difference is that in these questions another dimension is added. The professions of various family members are also incorporated into the data to make it complex and confusing. 
Example: There is a group of six persons A, B, C, D, E and F in a family. They are psychologist, Manager, Lawyer, Jeweller, Doctor and Engineer. 
(i) The doctor is the grandfather of F, who is a psychologist 
(ii) The manager, D is married to A. 
(iii) C, the Jeweller, is married to the lawyer. 
(iv) B is the mother of F and E.
(v) There are two married couples in the family. 
Solutions: 
(6) Problems on conditional selection: In this type of questions, a group of objects or persons have to be selected from a given longer group, according to some given restrictions. 
Example: Five friends P, Q, R, S and T travelled to five different cities of Chennai, Kolkata, Delhi, Bengaluru and Hyderabad by different modes of transport of Bus, Train, Aeroplane, Car and Boat from Mumbai. But not necessary in the same order. 
(a) The person who travelled to Delhi did not travel by Boat. 
(b) R went to Bengaluru by car and Q went to Kolkata by Aeroplane
(c) S travelled by Boat whereas T travelled by train. 
(d) Mumbai is not connected by Bus to Delhi and Chennai. 

(7) Miscellaneous Problems: Till now we have covered different types of puzzles. But in miscellaneous problems all types are covered. 
Example: There are five persons P, Q, R, S and T. One is a football, one is a chess player and one is a hockey player. P and S are unmarried ladies and do not participate in any game. None of the ladies plays chess or Football. There is a married couple in which T is the husband. Q is the brother of R and is neither a chess player nor a hockey player.
Solutions: 

Here, T and R are married couple. Where, T is husband and R is wife. 

Points to Remember
(1) In puzzles, first of all collect all the direct information.
(2) And they should be arranged in tabular format.
(3) After that point out all the negative information and mark it in your table according to given information.
(4) Other facts can be find out from the indirect information.
(5) The most important part is that in some condition there will be more than one possibility. 
(6) So, according to possibilities arrange them in the different tables.
(7) Reject all the tables which violates other information in puzzles.
(8) By following this process you can find the correct solutions.
(9) Puzzle are always tricky so, take care of every words and sentence. 
(10) By following this approach, you will be able to solve the puzzle with good accuracy and speed. 


Inequalities

In quadratic Equations We have the following options to choose from :-

i.   X >Y
ii.  Y >X
iii. X >= Y
iv. Y>= X
v.  X = Y or relationship cannot be established.



What is Variables?

An element, a feature, or a factor that is liable to vary or change to find

any equation and represent by x, y, z etc.

 Example: 3x + 27y = 40 is variable

 Example: 2y + 5x = 12 is variable.


What is Constant?

A constant is special number or a real number usually or whose value is

fixed in the context of use is called a constant.

 Example: 5x – 3y + 2z = 24 here is 5, 3, 2, 24 are constant value.

 Example: 4y + 7y – 9z = 53 here is 4, 7, 9, 53 are constant value.


(i) Now, Suppose on solving the quadratic equation we get X = -1, 2 And Y = -2, -3
On putting these values on number line we will see that X lies on the right of Y. Hence, We can say that X>Y or Y<X.
(ii) Now, Suppose if after solving the equation we get X = -1 , 2 and Y= 3,4.
On putting these values on number line we see that Y lies to the right of X without touching X at any point. Hence, We can say that Y>X or X<Y.
(iii) If X= 3,4 and Y= 2,3. Putting this on number line we get X to the right of Y but touching Y at one single point i.e., 3. Hence, X>=Y or Y<=X.
(iv) If X=3,4 and Y=4,5. Putting these values on number line we will see that Y lies to the right of X but touching X at 4. Hence, Y>=X or X<=Y.
(v) Now, Suppose X= 2,4 and Y= 3,5. Putting these values on number line we will see that X touches Y at all the points between 3 and 4 i.e., at 3, 3.1, 3.2, 3.3 etc. upto 4 hence, in this case we cannot relate X and Y and Hence, Will answer as Relationship cannot be established.
Also suppose if y=7 and X= 4,8 then X<y also X>y . Hence, in this case also no relationship can be established.

Example some quadratic equation:
Example 1:
(i) 6X^2 +11X + 3 = 0
(ii) 6X^2 + 10X +4= 0
Answer :
(i) Shortcut tricks :
This equation +6 is coefficient of x2 .
+ 11 is coefficient of x
+3 is constant term.
Step 1: we multiply (+6) x (+3) = +18 = 2x3x3
Step 2: we break 2x3x3 in two parts such that addition between them is 11.
So, 2x3x3 = 2 x 9. Also,  9 +2 = 11
      So , +9 and +2 = Sum of is +11 .
      Step 3: Change the sign of both the factors , So +9 = -9 and +2 = -2 .
and divide by coefficient of x2 , So we get -9 / 6 = -3 / 2 and -2 / 6 = – 1 / 3 .
      Therefore, X = -3/2 , -1/3
      Similarly Solving (ii),
     6x4= 24 = 2x2x2x3
Break 2x2x2x3 into two parts such that their sum becomes 10.
2x2 and 2x3 are two parts of 24 whose sum is 10.
Now, Change the sign of both the factors  and divide by coefficient of X^2.
So, +4 = > -4/6
And +6 = > -6/6
Y = --2/3 , -1
So, in all X= -1.5, -0.33
And, Y = -0.667, -1
Now, Putting these values on Number line we get to knw that from -0.667 to -1
The values of X and Y coincides .
Hence, as X and Y coincides at more than 1 point,
We can Say X=Y or Relationship between X and Y cannot be established.

Example
6x^2 +11x + 3 = 0
Answer:
Shortcut tricks :
This equation +6 is coefficient of x 2

+ 11 is coefficient of x

+3 is constant term

Step 1: we multiply (+6) x (+3) = +18

Step 2 : we break + 18 in two parts such that addition between them is

11.

So,  +18 = 9 + 2 = 11 . and product of both factors is 18 . So, +9 and +2 =

Sum of is +11

Step 3: Change the sign of both the factors, So +9 = -9 and +2 = -2

and divide by coefficient of x 2  , So we get -9 / 6 = -3 / 2 and -2 / 6 = – 1 /

3 .