*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 Aâ€™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 Aâ€™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 Gopalâ€™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 Gopalâ€™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 Gopalâ€™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 Aakashâ€™s fieldâ€™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 Aakashâ€™s fieldâ€™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

Subhamâ€™s earnings = $200 + $400 = $600.

Subhamâ€™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,Aâ€™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 â€“ 6y

= 5x â€“ (6*7/10)x

= (25x â€“ 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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