Practice is the key to perfection in Quant, so brush up your skills and test yourself with these 15 questions of Quantitative Aptitude for IBPS RRB PO and Clerk 2017.

Q1. The cost of etching a glass with design varies directly as the square of its area. It will cost Rs. 8000 to etch a glass plate of 1m × 1m dimension. What would be the loss to the artist if he were to etch 4 pieces of dimension 1/2 m× 1/2 m instead of the 1m × 1m piece?
(a) Rs 5000
(b) Rs 4000
(c) Rs 2000
(d) Rs 6000
(e) None of these

Q2. If the cost of using air conditioner is directly proportional to the time for which it is used, inversely proportional to the number of stars given to it and directly proportional to its power in terms of tons. It cost Rs 150 if a 2 star air conditioner of 2 tonns is used for 10 hrs. Then how much will it cost if a 3 star air conditioner of 1.5 tonns is used for 8 hours.
(a) Rs 80
(b) Rs 50
(c) Rs 100
(d) Rs 60
(e) None of these

Q3. A contractor employed 25 laborers on a job. He was paid Rs 275 for the work. After retaining 20% of this sum, he distributed the remaining amount amongst the laborers. If the number of male to female laborers was in the ratio 2 : 3 and their wages in the ratio 5 : 4, what wages did a female laborer get?
(a) Rs 15
(b) Rs 8
(c) Rs 14
(d) Rs 10
(e) None of these

Q4. A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, the ratio of gold and copper in C will be:
(a) 5 : 7
(b) 5 : 9
(c) 7 : 5
(d) 9 : 5
(e) None of these

Q5. Divide Rs 671 among A, B, C such that if their shares be increased by Rs 3, Rs 7 and Rs 9 respectively, the new shares shall be in the ratio 1 : 2 : 3.
(a) Rs 112, Rs 223, Rs 336
(b) Rs 114, Rs 221, Rs 336
(c) Rs 112, Rs 227, Rs 332
(d) Rs 114, Rs 223, Rs 334
(e) None of these

Q6. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively. What will be the new ratio?
(a) 8 : 9
(b) 17 : 18
(c) 21 : 22
(d) Cannot be determined
(e) None of these

Q7. The salaries of A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries then what will be the new ratio of their salaries?
(a) 3 : 3 : 10
(b) 10 : 11 : 20
(c) 23 : 33 : 60
(d) Cannot be determined
(e) None of these

Q8. A bag contains Rs 216 in the form of one rupee, 50 paise and 25 paise coins in the ratio of 2 : 3 : 4. The number of 50 paise coins is:
(a) 96
(b) 144
(c) 114
(d) 141
(e) 134

Q9. Expenses of a hostel are partly constant and partly vary with number of students. When there are 20 students, total expenses are Rs. 2000. When there are 50 students, total expenses are Rs. 3500. Find the total expenses when there are 70 students in the hostel.
(a) 4000
(b) 5000
(c) 3500
(d) 5500
(e) 4500

Q10. The three sides of a triangle are in the ratio 3 : 4 : 6, find the ratio of the three corresponding altitudes.
(a) 4 : 2 : 3
(b) 2 : 3 : 4
(c) 4 : 3 : 2
(d) 2 : 4 : 3
(e) 4 : 3 : 3

Direction (Q11–Q15): Simplify the following expressions and find out the approximate answer.

Q11. 11.11% of 990 + 12.5% of 800 = ?
(a) 220
(b) 210
(c) 200
(d) 180
(e) None of these

Q12. 37.5% of 400 + 27.27% of 990 = ? + 81
(a) 339
(b) 329
(c) 319
(d) 341
(e) None of these
Q14. 350% of 27 + ? = 37.5% of 400
(a) 55
(b) 56
(c) 55.5
(d) 56.5
(e) 57

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