AVERAGE MCQ SET 2
1. Of the three numbers , second is one-third of first and is also three-fourth of the third number . If the average of three numbers is 112 , then what is the smallest number ?
(a) 63
(b) 45
(c) 84
(d) 189
Answer: A
2. If A is 1/6 of C , and B is twice of A , and the average of A , Bย and C is 30 , then the difference between A and C is :
(a) 60
(b) 40
(c) 80
(d) 50
Answer: D
3. The average of 12 numbers is 32 . Each number is multiplied by 2 find the average of the new set of numbers .
(a) 75
(b) 70
(c) 64
(d) 65
Answer: C
4. The average of 25 numbers is 8 . If each number is multiplied by 12 , then what will be the new average be?
(a) 20
(b) 28
(c) 96
(d) 48
Answer: C
5. The average of 10 numbers is 42 . If each number is increased by 5 then what will be the new average?
(a) 42
(b) 47
(c) 92
(d) 54
Answer: B
6. The average of 24 numbers is 43 . If we subtract a number ‘M’ from each number , then the average become 38 . What was the value of M?
(a) 12
(b) 5
(c) 7
(d) 10
Answer: B
7. The average of 23 numbers is 81 . If each number is divided by 6 and add 2.5 to each number then what will be the new average ?
(a) 20
(b) 16.5
(c) 16
(d) 17
ย Answer: C
8. Average of 8 values is 36 . If 4 is subtracted from each of the first three values and 5 is added in the each of the next five values , then what will be the new average ?
(a) 34.325
(b) 36.350
(c) 38.325
(d) 37.625
Answer: D
9. The average of n number is 36 . If each of 75% of the number is increased by 6 and each of the remaining number is decreased by 9 , then the new average of the number is :
(a) 37.125
(b) 33.75
(c) 38.25
(d) 36.25
Answer: C
10. The average of n number is 45 . If 60% the number are increased by 5 each and the remaining numbers are decreased by 10 each , then what is the average of the numbers so obtained ?
(a) 42
(b) 43
(c) 46
(d) 44
Answer: D
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