# Quantitative Aptitude Questions for IBPS/RRB Exam Set – 13

Hello Aspirants. Welcome to Online Quantitative Aptitude section in AffairsCloud.com. Here we are creating question sample From all topics , which are Important for upcoming IBPS and RRB exams. We have included Some questions that are repeatedly asked in exams. Do see the solutions, you might get any shortcut.

1. A library has an average number of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:
A. 250
B. 280
C. 285
D. None of these
C. 285
Explanation:
x/5 = 510 and y/25 = 240.
x + y = 8550
Average = 8550/30

2. The number of employees in companies A, B, and C are in the ratio 4 : 5 : 6 respectively. If the number of employees in the company is increased by 25%, 30%, and 50% respectively, what will be the new ratio of the employees working in companies A, B, and C respectively?
A. 10 : 13 : 18
B. 13 : 10 : 18
C. 13 : 15 : 18
D. None of these
A. 10 : 13 : 18
Explanation:
Increased ratio:
125% of 4 : 130% of 5 : 150% of 6
Or 125*4 : 130*5 : 150*6

3. Twelve percent of Kaushal’s monthly salary is equal to sixteen percent of Nandini’s monthly salary. Prakhar’s monthly salary is half that of Nandini’s monthly salary. If Prakhar’s annual salary is Rs. 1.08 lacs. What is Kaushal’s monthly salary?
A. 22000
B. 18000
C. 24000
D. None of these
C. 24000
Explanation:
Prakhar’s monthly salary = 1,08,000/12 = 9,000
Nandini’s monthly salary = 2*9,000 = 18,000
Now 12% of Kaushal’s = 16% of Nandini’s

4. Preeti purchased 20 dozen notebooks at Rs 48 per dozen. He sold 8 dozen at 10% profit and the remaining 12 dozen at 20% profit. What is his profit % in the transaction?
A. 15%
B. 16%
C. 18%
D. None of these
B. 16%
Explanation:
8/20 * (10) + 12/20 * (20) = 4 + 12 = 16%

5. If the compound interest for two successive years is Rs 1100 and Rs 1210 respectively, then what is the rate percent?
A. 11%
B. 10%
C. 12.1%
D. None of these
B. 10%
Explanation:
R% of 1100 = 1210 – 1100
R/100 * 1100 = 110
R = 10%

6. Excluding the stoppages the speed of the bus is 64 kmph and including the stoppages the speed of the bus is 48 kmph. For how many minutes does the bus stop per hour?
A. 12.5 min
B. 18 min
C. 15 min
D. None of these
C. 15 min
Explanation:
(48 – 64)/64 *60
=16/64 * 60 = 15

7. A does half as much as B and C does half as much as A and B together. If C alone can finish the work in 40 days, then together all will finish the work in?
A. 13 1/3 days
B. 15 days
C. 20 days
D. None of these
A. 13 1/3 days
Explanation:
C does half as much as A and B together. This means that if (A + B) takes x days together to do a work, then C takes 2x days to complete same work.
now given that C takes 40 days. So 2x = 40. So x = 20
Now (A + B) takes 20 days, C takes 40 days, then A+B+C takes 1/20 + 1/40

8. Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?
A. 25200
B. 1050
C. 210
D. None of these
A. 25200
Explanation:
7C3 * 4C2 * 5!

9. In how many ways a committee consisting of 5 men and 6 women can be formed from 8 men and 10 women?
A. 5040
B. 11760
C. 11780
D. None of these
B. 11760
Explanation:
8C5 * 10C6

10. Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
A. 3/8
B. 3/4
C. 5/16
D. None of these
B. 3/4
Explanation:
1,2 1,4 1,6
2,1 2,2 2,3 2,4 2,5 2,6
3,2 3,4 3,6
4,1 4,2 4,3 4,4 4,5 4,6
5,2 5,4 5,6
6,1 6,2 6,3 6,4 6,5 6,6

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