# IBPS RRB Clerk/EPFO Assistant Prelims Quantitative Aptitude Questions 2019 (Day-12)

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IBPS RRB Clerk/EPFO Assistant Prelims Quantitative Aptitude Questions 2019 (Day-12)

Directions (1 – 5): Study the following information carefully and answer the questions given below.

There are 4 villages A, B, C and D, which have some apple and pine trees. The ratio of apple and pine trees in these villages is 14: 15, 3: 4, 5: 4 and 6: 7 respectively. The difference between the apple and pine trees in village D is 21. The difference between apple trees between the village C and D respectively is 14. The ratio of the apple and pine trees in A and C respectively is 3: 4. The difference between the apple and pine trees in B and A respectively is 9.

1) Find the total number of pine trees in all the villages.

a) 418

b) 814

c) 184

d) 481

e) None of these

2) If 30% of pine trees in village A is planted in village B, then what will be the effect in total number of trees in village B?

a) 25% increase

b) 5% increase

c) 20% increase

d) 22% increase

e) None of these

3) The number of apple trees in D is what percentage more than the number of pine trees in A?

a) 40%

b) 140%

c) 20%

d) 120%

e) None of these

4) Find the difference between the average number of apple trees in A and D and the number of pine trees in B and C.

a) 34

b) 36

c) 17

d) 18

e) None of these

5) If all the trees in B are apple and 20% apple trees of village C is added to the apple trees in D, the apple trees in B is what percentage of number of apple trees in D?

a) 250%

b) 150%

c) 50%

d) 75%

e) None of these

6) A certain sum of money amounts to Rs2710.55 in three years and Rs2828.4 in 4 years in simple interest. Find the rate of interest.

a) 10%

b) 20%

c) 15%

d) 5%

e) None of these

7) Find the compound interest on the sum Rs3600 for 4 years at the rate of 4% per annum compounded annually.

a) Rs549.23

b) Rs754.32

c) Rs456.21

d) Rs265.87

e) None of these

8) The ratio of milk and water in container A is 5: 4 and in B is 5: 7. If this mixture was mixed together the ratio of milk and water in final mixture can be:

a) 35:37

b) 75:37

c) 23:65

e) None of these

9) Pipes A, B and C can fill a tank in 20h. If pipe A and B alone can fill the tank in 80 h and 60 h respectively, find the time taken by C alone to fill the tank.

a) 12 h

b) 24 h

c) 48 h

d) 96 h

e) None of these

10) A bag contains 5 red balls, 6 blue balls and 7 pink balls. Two balls taken at random, find the probability that the balls are in same color.

a) 23/156

b) 46/153

c) 38/153

d) 41/153

e) None of these

Direction (1 – 5):

The ratio of apple and pine trees in village,

A = 14: 15

B =3: 4

C = 5: 4

D = 6: 7

D:

The ratio = 6: 7 (6x, 7x)

Given that, 7x – 6x = 21

x = 21

Apple = 6 * 21 = 126

Pine = 7 * 21 = 147

C:

Apple = 126 + 14 = 140

Pine = (140/5) * 4 = 112

A:

The ratio of the apple and pine trees in A and C respectively = 3: 4

Apple = (112/4) * 3 = 84

Pine = (84/14) * 15 = 90

B:

Apple = 90+ 9 = 99

Pine = (99/3) * 4 = 132

Required sum = 90 + 132 + 112 + 147 = 481

Added trees = (30/100) * 90 = 27

Required percentage = (27/231) * 100 = 11.68%

Required percentage = [(126 – 90)/90] * 100 = 40%

Required difference = [(132 + 112)/2]–[(84 + 126)/2] = 17

Apple trees in B = 99 + 132 = 231

Apple trees in D = 126 + 140 * (20/100) = 154

Required percentage = (231/154) * 100 = 150%

Direction (6-10) :

SI = pnr/100

SI for one year = 2828.4 – 2710.55 = Rs117.85

SI for 3 year = 117.85 * 3 = Rs353.55

p = 2710.55 – 353.55 = Rs2357

r = (117.85/2357) * 100 = 5%

Compound interest = p (1 + r/100)n– p

CI = 3600 (1 + 4/100)4–3600

CI = Rs611.49

Milk in A = 5/9

Water in A = 4/9

Milk in B = 5/12

Water in B = 7/12

In final mixture milk: water = (5/9 + 5/12): (4/9 + 7/12) = 35: 37

Pipes fill the tank in one hour,

A + B + C = 1/20

A = 1/80

B = 1/60

C = 1/20 – 1/80 – 1/60

C = 1/48

Pipe C alone can fill the tank in 48 h.