QA questions for SBI PO 2015 Prelims

1) If the duty on an article is reduced by 40% of its present rate, by how much percent must the consumption increase in order that the revenue remains unaltered?

(A) 182/3 %

(B) 194/3 %

(C) 200/3 %

(D) None of these

2) Income of two companies A and B are in the ratio of 5:8. Had the income of company ‘A’ been more by 25 Lakhs, the ratio of their income would have been 5:4 respectively. What is the income of company ‘B’?

(A) 50 Lakhs

(B) 60 Lakhs

(C) 80 Lakhs

(D) 40 Lakhs

3) The height of a room is 5 m and capacity is 500 cu. m. If the room is square, how much paper of two metre width is required to cover the walls:

(A) 120 m

(B) 90 m

(C) 100 m

(D) None of these

4) Two vessels A and B contain acid and water mixed in the ratio 2:3 and 4:3. In what ratio must these mixtures be mixed to form a new mixture containing half acid and half water?

(A) 7:5

(B) 5:7

(C) 3:5

(D) None of these

5) Three men A B C do a piece of work in 4 hrs, 2 hrs and 1 hr respectively. On a particular day only any two are likely to come. The difference between the quickest possible completion and slowest possible completion will be:

(A) 0.66 hrs

(B) 0.80 hrs.

(C) 1.00 hr.

(D) None of these

6) A water tank is hemispherical below and cylindrical at the top. If the radius is 12 m and capacity is 3312pi m3, the height of the cylindrical portion in metres is:

(A) 12

(B) 13

(C) 15

(D) None of these

7) 10 sheep and 5 goats were bought for Rs.6000. If the average price of a sheep is Rs.450, find the average price of goat:

(A) 370

(B)  355

(C) 325

(D) 300

8) If three metallic spheres of radii 6 cms, 8 cms and 10 cms are melted to from a single sphere, the diameter of the new sphere will be:

(A) 12 cms

(B) 24 cms

(C) 30 cms

(D) None of these

9) If the length of a rectangle is increased by 20% and the width is decreased by 20%, the area of the rectangle:

(A) Decreases by 20%

(B) Decreases by 4%

(C) Increases by 40%

(D) Remains unchanged

10) Sixty men can build a wall in 40 days, but though they begin the work together, 5 men quit every ten days. The time needed to build the wall is:

(A) 47.5 days

(B) 45 days

(C) 49.5 days

(D) None of these

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Answers

1) Ans. (C) 200/3 %

2) Ans. (D) 40 Lakhs

3) Ans. (C) 100 m

4) Ans. (B) 5:7

5) Ans. (A) 0.66 hrs

6) Ans. (C) 15

7) Ans. (D) 300

8) Ans. (B) 24 cms

9) Ans. (B) Decreases by 4%

10) Ans. (A) 47.5 days