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Monday, 10 August 2015

IBPS RRB Quantitative Aptitude Quiz 1

1. The average age of a group of 65 boys was 14 years, the average age of 20 of them was 14 years, and that of another 15 was 12 years. Find the average age of the remaining boys.

(1) 16 years (2) 13 years

(3) 17 years (4) 15 years

(5) None of these

 

2. If the positions of the digits of a two-digit are interchanged, the number obtained is smaller than the original number by 27. If the digits of the number are in the ratio 1 : 2, what is the original number?

(1) 36 (2) 63

(3) 48

(4) Cannot be determined

(5) None of these

 

3. Two girls with marks 50 and 54 leave class VIII C and move to class VIII D. As a result the average marks of the class VIII C fall from 48 to 46. How many students were there initially in the class VIII C?

(1) 4 (2) 5

(3) 6 (4) 3

(5) None of these

 

4. Simple interest occurred on an amount in eight years @11% per annum is Rs. 57200. What was the principal amount?

(1) Rs. 72000 (2) Rs. 82000 (3) Rs. 75000

(4) Rs. 65000 (5) None of these

 

5. If 24 men working 8 hours a day can do half a piece of work in 9 days, in how many days will 36 men working 12 hours a day finish one-third the same work?

(1) 2 days (2) 2 2/3 days

(3) 3 1/3 days (4)4 days

(5) None of These

 

6. If the different between a number and its three-fourth is 80. What is the number?

(1) 360 (2) 240 (3) 160 (4) 320 (5) None of these

 

7. The average salary of a group of 75% is Rs.3700/ .If salary of one man is added then average increases to Rs 3750. What is the salary of this one person?

(1) RS. 5010/- (2) Rs.5100/- (3) 1350/- (4) cannot be determined (5) None of these

 

8. The average of four consecutive even numbers is 7. Which of the following is the first number?

(1) 2 (2) 6 (3) 4 (4) Cannot be determined (5) None of these

 

9. If 24 men working 8 hours a day can do half a piece of work in 9 days, in how many days will 36 men working 12 hours a day finish one-third the same work?

(1) 2 days (2) 2 2/3 days

(3) 3 1/3 days (4)4 days

(5) None of These

 

10.  400 men working 9 hrs a day complete ¼ th of the work in 10 days. The number of additional men, working 8 hrs a day, required to done the remaining work in 20 days is

(1) 675 (2)275

(3) 250 (4)225

(5) None of These

Answers :

1- 5,    2-5 ,   3-3,   4-4,   5-2,  6-4,  7-2,   8-3, 9-2 , 10-2
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