*Hello and welcome to ***exampundit**. Here is a set of Quantitative Aptitude Quiz for BOB Manipal, Dena Bank PGDBF & NICL AO Prelims Exams 2017.

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1. An oil reservoir having 2 pipes connected to it is 3/4th

full. The pipe from West direction can fill the reservoir in 10 minutes and

pipe from east direction can empty it in 6 minutes. If the western and eastern

pipe are opened together at the same time, in how much duration will the tanker

empty/ fill completely?

full. The pipe from West direction can fill the reservoir in 10 minutes and

pipe from east direction can empty it in 6 minutes. If the western and eastern

pipe are opened together at the same time, in how much duration will the tanker

empty/ fill completely?

a) 6 minutes fill

b) 3.75 minutes empty

c) 3.75 minutes fill

d) 5 minutes empty

e) None

2. Harry and Mary started a poultry farm by investing Rs. 16,000

and Rs. 12,000 respectively. When the poultry farm completed 3 months, Harry

withdrew Rs. 5000 while Mary invested Rs. 5000 more. After the half yearly

anniversary of the setup of poultry farm, Deepak joins the business with a capital of Rs.

21,000, The share of Mary exceeds that of Deepak, out of a total profit of Rs.

26,400 after one year by:

and Rs. 12,000 respectively. When the poultry farm completed 3 months, Harry

withdrew Rs. 5000 while Mary invested Rs. 5000 more. After the half yearly

anniversary of the setup of poultry farm, Deepak joins the business with a capital of Rs.

21,000, The share of Mary exceeds that of Deepak, out of a total profit of Rs.

26,400 after one year by:

a) 3600

b) 3700

c) 3500

d) 3000

e) None

3. Subham bought a book from me at $100 and sold it to me for $200. He bought it

back from me for $300 and then sold it back to me for $400. Did Subham make any

profit in this process? If yes, how much

?

back from me for $300 and then sold it back to me for $400. Did Subham make any

profit in this process? If yes, how much

?

a) $100

b) $300

c) $200

d) $250

e) $50

4. The profit( in percentage) earned by three shopkeepers X,

Y and Z is 10 %, 20 % and 25% and ratio of the CP of their products is 1:2:4.

Also, the ratio of number of goods solved by the three shopkeepers is 2:5:2

respectively, then overall profit percentage earned by the three

shopkeepers is?

Y and Z is 10 %, 20 % and 25% and ratio of the CP of their products is 1:2:4.

Also, the ratio of number of goods solved by the three shopkeepers is 2:5:2

respectively, then overall profit percentage earned by the three

shopkeepers is?

a) 18.5%

b) 21%

c) 75%

d) 68 %

e) None

5. The ratio of total weekly sales of two international

books A and B is 4:5 and the ratio of their printing charges is 5:6. What is the ratio of profits earned

by the books A and B , if A’s profit is equal to its 8th of its sales.

books A and B is 4:5 and the ratio of their printing charges is 5:6. What is the ratio of profits earned

by the books A and B , if A’s profit is equal to its 8th of its sales.

a) 4:3

b) 3:4

c) 5:8

d) 8:5

e) None

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6. Six years ago, there were 7 members in Gopal’s family and

then the average age of his family was 49 years. Then, Gopal got married and

had a daughter., but the average age of the family remained the same. The

present age of Gopal’s wife is

then the average age of his family was 49 years. Then, Gopal got married and

had a daughter., but the average age of the family remained the same. The

present age of Gopal’s wife is

a) 28

b) 26

c) 31

d) 30

e) Cannot be determined

7. The total age of

all the guests in a party was 540 years. If a Kashmiri couple left the

party, the average remains unchanged. The wife and husband had same date of

birth. Therefore , the average age of this couple and the total number of

guests respectively will be :

all the guests in a party was 540 years. If a Kashmiri couple left the

party, the average remains unchanged. The wife and husband had same date of

birth. Therefore , the average age of this couple and the total number of

guests respectively will be :

a) 18, 27

b) 20 ,27

c) 15,38

d) Cannot be determined

e) None

8. Aakash is a witty farmer. He always makes sure his farm

is safe from trespassers. Hence he builds up a square shaped fence around his

field . He uses 26 steel poles in each side, with a distance of 4m between each

pole. What is Aakash’s field’s area?

is safe from trespassers. Hence he builds up a square shaped fence around his

field . He uses 26 steel poles in each side, with a distance of 4m between each

pole. What is Aakash’s field’s area?

a) 2.76 milihectare

b) 1 hectare

c) 1.6 milihectare

d) 2.76 hectare

e) None

9. Rohan is a sugarcane farmer. He processes sugar and

adulterates by naking a mixture by mixing 26 kg of sugar at rs 20 per kg with

30 kg of sugar obtained in a different batch at rs 36 per kg and marks the

selling price of the sugar at Rs 30 per kg. His profit percent is :

adulterates by naking a mixture by mixing 26 kg of sugar at rs 20 per kg with

30 kg of sugar obtained in a different batch at rs 36 per kg and marks the

selling price of the sugar at Rs 30 per kg. His profit percent is :

a) 5%

b) 10%

c) 15%

d) No profit no loss

e) None

10. Equal amounts of each Rs 48392 is lend to two persons

for 3 years. One @ 30 % SI and other @ 30 % CI annually. By how much percent

the CI is greater than the SI in these 3 years?

for 3 years. One @ 30 % SI and other @ 30 % CI annually. By how much percent

the CI is greater than the SI in these 3 years?

a) 23%

b) 33%

c) 33.33%

d) 45%

e) None

Answers:

1. Ans-b

Clearly, pipe from east is faster than pipe from west and

so, the tank will be emptied.

so, the tank will be emptied.

Part to be emptied = 3/4th

Part emptied by (eastern + western pipe) in 1 minute = (1/6

– 1/10) = 1/15

– 1/10) = 1/15

1/15 : 3/4 :: 1 : x

x = (3/4 * 1 * 15) = 3.75 min.

So, the tank will be emptied in 3.75 min.

2. Ans-a

Harry : Mary : Deepak =

(16000 * 3 + 11000 * 9) : (12000 * 3 + 17000 * 9) : (21000 *

6)

6)

= 147 : 189 : 126

= 7 : 9 ; 6.

Difference of Mary and Deepak ‘s shares = Rs. ( 26400 * 9/22 – 26400 * 6/22 ) = Rs. 3600

3. Ans-c

Subham’s earnings = $200 + $400 = $600.

Subham’s spending = $100 + $300 = $400.

Therefore, the profit earned by Subham = $600 – $400 = $200.

4. Ans- b

CP of all the 3 shopkeepers = 2xy+5x*2y+2x*4y=20xy

Profit of X= 0.2xy

Y=2xy

Z=2xy

% profit= 4.2xy/20xy

*100 = 21%

*100 = 21%

5. Ans-c

let their monthly sales = a/4x and b/5y

And their monthly expenditure = 5y and 6y

Given,A’s profit = 4x/8 = x/2

so,4x – 5y = x/2=>4x – x/2 = 5y

7x = 10y=>y= (7/10)x

Profit of B = 5x – 6y

= 5x – (6*7/10)x

= (25x – 21x) / 5

= 4x/5

So the ratio of their profit is

x/2 : 4x/5=>ratio=5:8

6. Ans- No information regarding the wife.

7. Ans-b

Solve through options

Let number of total guests be 27

540/27=20=average age of all guests

After the couple leaves the

average=[540-(2*20)]/25=20(unchanged)

average=[540-(2*20)]/25=20(unchanged)

Hence option b 20,27 is correct

8. Ans-b

Length of the fence between 26 poles = 25×4=100m ( each

side)

side)

Area of the field= 1002 =10000 m2 = 1 hectare

9. Ans-a

CP of 56 kg adulterated

sugar= (26×20)+(30×36)=Rs 1600

sugar= (26×20)+(30×36)=Rs 1600

Sp of the 56 kg adulterated sugar= 56×30= 1680

Profit= 80/1600 x100= 5 %

10. Ans-b

100(1.3)3=219.7

=>CI=119.7

SI=(100x3x30)/90=90

CI is greater than SI by Rs 29.7 (i.e. 119.7-90)

% increase= 29.7/90 x100= 33%

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