Practice is the key to perfection in Quant, so brush up your skills and test yourself with these 15 questions of Quantitative Aptitude for RBI Grade-B 2017.

Directions (1-5): In each question, two questions numbered I and II are given. You have to solve both the equations and mark the appropriate option.

Q6. A group of students prepared stuffed toys as part of their group activity. They spent Rs. 100 on velvet, Rs 5 on thread and needle and Rs. 27 on miscellaneous items. They made 30 toys, 50% of which were purchased by force by some senior students causing them a loss of 50%. At what % proﬁt should they sell the remaining toys so as to gain 50% on their total cost?
(a) 100%
(b) 150%
(c) 75%
(d) 60%
(e) None of these
Q7. A pump can fill a tank with water in 2 hours. Because of a leak in the tank it was taking 7/3 hours to fill the tank. The leak can drain all the water off the tank in:
(a) 8 hours
(b) 7 hours
(c) 13/3 hours
(d) 14 hours
(e) None of these

Q8. A boat while travelling upstream covers a distance of 18 km at the speed of 3 km/h, whereas while travelling downstream it covers the same distance at a speed of 9 km/h. What is the speed of the boat in still water?
(a) 3 km/h
(b) 5 km/h
(c) 7 km/h
(d) Cannot be determined
(e) None of these
Q9. The simple interest accrued on an amount of Rs. 20000 at the end of 3 years is Rs. 7200. What would be the compound interest accrued on the same amount at the same rate in the same period?
(a) Rs. 8342.36
(b) Rs. 8098.56
(c) Rs. 8246.16
(d) Rs. 8112.86
(e) None of these
Q10. The average weight of 4 men A, B, C and D, is 67 kg. The 5th man E is included and the average weight decreases by 2 kg. A is replaced by F. The weight of F is 4 kg more than E. Average weight decreases because of the replacement of A and now the average weight is 64 kg. Find the weight of A?
(a)78 kg
(b)66 kg
(c)75 kg
(d)58 kg
(e)None of these
Q11. The ratio of the number of boys and girls in a school is 3 : 2. If 20% of the boys and 30% of the girls are scholarship holders, then the percentage of students, who do not get scholarship, is
(a) 50
(b) 72
(c) 75
(d) 76
(e) None of these

Q12. Rupesh marks up an article by p%, gives a discount of 25% and gets a proﬁt of p/4%. What is the value of p?
(a) 25
(b) 100/3
(c) 50
(d) 200/3
(e) None of these
Q13. A fruit seller sold big, medium and small sized apples for Rs. 15, Rs. 10 and Rs. 5 respectively per apple. The total number of apples sold of these sizes were in the ratio 3 : 2 : 5 respectively. Find the average cost of an apple?
(a) Rs. 8
(b) Rs. 10
(c) Rs. 9
(d) Rs. 7
(e) None of these
Q14. A container contains 40 litres of milk. From this container 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container?
(a) 26.34 litres
(b) 27.36 litres
(c) 28 litres
(d) 29.16 litres
(e) None of these
Q15. A student walks from his house at 5 kmph and reaches his school 10 minutes late. If his speed had been 6 kmph he would have reached 15 minutes early. The distance of his school from his house is :
(a) 2.5 km
(b) 12.5 km
(c) 5.5 km
(d) 3.6 km
(e) None of these