QUANT. QUIZ

 QUANT QUESTION ON AVERAGE

1.    The bowling average of a cricketer was 12.4. He improves his bowling average by 0.2  points when he takes 5 wickets for 26 runs in his last match. The number of wickets taken by him before the last match was

(1) 125                   (2) 150

(3) 175                   (4) 200

2.    A cricketer had a certain average of runs for his 64 innings. In his 65^th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is

(1) 130                   (2)128

(3) 70                     (4) 68

3.    The average of 6 observations is 45.5. It one new observation is added to the previous observations, then the new average becomes 47. The new observation is

(1) 58                     (2) 56

(3) 50                     (4) 46

4.    Of the three numbers, the second is twice the first and is also thrice the third. If the average of these three numbers is 44, the largest number is

(1) 24                     (2) 36

(3) 72                     (4) 108

5.    A man buys a certain number of oranges at 20 for Rs 60 and an equal number at 30 for Rs. 60. He mixes them and sells them at 25 for Rs. 60. What is gain or loss per cent.

(1) Gain of 4 %     

(2) Loss of 4 %

(3) Neither gain nor loss

(4) Loss of 5 %

6.    The average expenditure of a man for the first five months of a year is Rs. 5,000 and for the next seven months it is Rs. 5,400. He saves Rs. 2,300 during the year. His average monthly income is

(1) Rs. 5,425         (2) Rs. 5,500

(3) Rs. 5,446         (4) Rs. 5,600

7.    The average of two numbers A and B is 20, that of B and C is 19 and of C and A it is 21. What is the value of A?

(1) 24                     (2) 22

(3) 20                     (4) 18

8.    The average monthly salary of the workers in a work shop is Rs. 8,500. If the average monthly salary of 7 technicians is Rs. 10,000 and average monthly salary of the rest is Rs. 7,800, the total number of workers in the workshop is

(1) 18                     (2) 20

(3) 22                     (4) 24

9.    The average of the first 100 positive integers is

(1) 100                   (2) 51

(3) 50.5                  (4) 49.5

10.  The average of odd numbers up to 100 is

(1) 50.5                  (2) 50

(3) 49.5                  (4) 49

ANSWERS:

1.	3
2.	2
3.	2
4.	3
5.	2
6.	1
7.	2
8.	3
9.	3
10.	2