AVERAGE MCQ SET 10
1. The bowling average of cricketer is 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 is :
(a) 125
(b) 150
(c) 175
(d) 200
Answer: C
2. A cricketer whose bowling average is 11.125 runs per wicket , he takes 7 wickets for 38.5 runs and thereby decrease his average by 1.125 . The number of wickets taken by him till last matches was :
(a) 35
(b) 18
(c) 28
(d) 38
Answer: A
3. The average of series of 21 numbers is equal to 43 . The average of the first eleven of them is 33 . The average of the last eleven numbers is 53 . The eleventh number of the series is :
(a) 43
(b) 47
(c) 33
(d) 46
Answer: A
4. The average of 33 numbers is 74 . The average of the first 17 numbers is 72.8 and that of the last 17 numbers is 77.2 . If the 17th number is excluded , then what will be the average of the remaining numbers (correct to one decimal place) ?
(a) 72.9
(b) 73.4
(c) 71.6
(d) 70.8
Answer: A
5. The average of 21 numbers is 44 . The average of first 11 numbers is 48 and that of last 11 numbers is 42 . If 11th number is excluded , what is the average of the remaining number ?
(a) 43
(b) 42
(c) 42.9
(d) 43.5
Answer: C
6. Average of 6 natural number in 50 . If the average of first 3 natural numbers is 40 and the 4th number is 10 less than the 5th number and 20 less than 6th number . Then find the 4th number ?
(a) 60
(b) 50
(c) 55
(d) 45
Answer: B
7. The average of 38 numbers is 51 . The average of the first 24 numbers is 45 , and that of the last 5 numbers is 60 . What is the average of the remaining numbers ?
(a) 59
(b) 60
(c) 62
(d) 61
ย Answer: C
8. The average of 25 numbers is 55 . The average of first 11 numbers is 51 and the average of last 10 numbers is 56 . What is the average of 66 , 70 and the remaining 4 numbers out of given 25 numbers ?
(a) 68
(b) 65
(c) 66
(d) 64
Answer: B
9. Average of 8 numbers is 44 . The average of first three numbers is 50 and the average of next two numbers is 52 . If the sixth number is 6 and 8 less than seventh and eighth number respectively , then what is the value of eighth number ?
(a) 36
(b) 32
(c) 40
(d) 56
Answer: A
10. The average of thirteen numbers is 47 . The average of the first three numbers is 39 and that of the next seven numbers is 49 . The 11th number is two times the 12th number and 12th number is 3 less than the 13th number . What is the average of 11th and 13th numbers ?
(a) 54.5
(b) 57
(c) 56
(d) 55.5
Answer: B
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