Quiz: Quant

Directions (Q. 1-5): Study the following information carefully to answer the questions given below it.

A survey conducted on 1800 schools shows that 25% of the total schools have only adequate water supply. 15% of the total number have proper supply of electricity only. 7% of the total number of schools have only proper education facilities. 12% of the total number of schools have tele-communication services only. 16% of the total number of schools have proper health care services only. 6% of the total number of schools have adequate water as well as supply of electricity. 8% of the total number of schools have adequate supply of water, electricity as well as health care services. 5% of the total number of schools have proper supply of electricity, tele-communication services as well as health care services and 6% of the total number of schools have all the facilities.

1). How many schools have only proper education facilities?

a)  138

b)  126

c)  195

d)  115

e)  177

2). How many schools in all have adequate water supply?

a)  786

b)  640

c)  450

d)  810

e)  930

3). How many schools have all the facilities?

a)  88

b)  118

c)  136

d)  176

e)  108

4). How many schools in all have adequate supply of water as well as electricity?

a)  360

b)  240

c)  560

d)  960

e)  140

5). How many schools in all do not have proper supply of electricity?

a)  670

b)  990

c)  1140

d)  1080

e)  1260

Directions (Q. 6-10): The following pie-charts show the percentage distribution of the total employees of two Companies Samsung and Nokia in different departments, and the table shows the ratio of Male to Female employees in all the departments of Company Samsung and Nokia. The total number of employees working in Company Samsung and Nokia are 8000 and 7500 respectively.

6). What is the difference between the total Male employees of Samsung Company and the total Female employees of Nokia Company?

a)  1222

b)  1496

c)  1372

d)  1791

e)  1432

7). What is the total number of Female employees in E of Samsung Company and Nokia Company together?

a)  735

b)  690

c)  755

d)  705

e)  725

8). The total number of Female employees in A of Nokia Company is approximately how much per cent more than the number of Female employees in A of Samsung Company?

a)  5%

b)  4%

c)  10%

d)  2.5%

e)  7.5%

9). The total number of Females working in Samsung Company is approximately what percentage of total employees of Samsung Company?

a)  41.56%

b)  49.76%

c)  44.24%

d)  40.24%

e)  48.81%

10). The average number of Male employees in A and B of Nokia Company is approximately what percentage of the average number of Female employees in E and F of Samsung Company?

a)  152.5%

b)  219.5%

c)  200.5%

d)  217.5%

e)  221.5%

Answer with Detailed Explanation:

Direction (1 to5):

1).Number of schools with only proper education facilities = 126

Answer is: b)

2). Number of schools with adequate water supply

= 450 + 108 + 144 + 108 = 810

Answer is: d)

3. Number of schools with all the facilities = 108

Answer is: e)

4). (a) Number of schools with adequate supply of water and electricity

= 108 + 144 + 108 = 360

Answer is: a)

5). Number of schools with proper supply of electricity

= 270 + 108 + 144 + 90 + 108 = 720

Number of schools not having proper electric supply

= 1800 – 720 = 1080

Answer is: d)

Direction (06 to 10):

6).Total Male employees of Samsung Company

= 1000 + 765 + 600 + 896 + 480 + 720 = 4461

Total Female employees of Nokia Company

= 630 + 240 + 720 + 520 + 405 + 450 = 2965

Difference = 4461 – 2965 = 1496

Answer is: b)

7). Number of Female employees of Samsung Company in department E

= 8000 × 10/100 × 2/5 = 320

Number of Female employees of Nokia Company in department E

= 7500 × 10/100 × 27/50 = 405

Total = 320 + 405 = 725

Answer is: e)

8). Number of Female employees in department A, of Nokia Company

= 7500 × 24/100 × 7/20 = 630

Number of Female employees in department A of Samsung Company

= 8000 × 20/100 × 3/8 = 600

Required % = {(630 – 600)/600} × 100 = 3000/600 = 5%

Answer is: a)

9). Total number of Female employees of Samsung Company

= 600 + 595 + 840 + 784 + 320 + 400 = 3539

Total employees of Samsung Company = 8000

Required % = 3539/8000 × 100 = 44.2375

= 44.24%

Answer is: c)

10). Average number of Female employees number of Nokia Company

(A + B)/2

= 1170 + 396/2

= 1566/2

= 783

Average of Samsung Company

(E + F)/2

= 320 + 400/2

= 720/2

= 360

Required % = 783/360 × 100 = 217.5%

Answer is: d)