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Quant Quiz on Average for SSC Exam

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Question 1

If a, b, c, d, e are five consecutive odd numbers, their average is

Question 2

The mean weight of 34 students of a school is 42 kg. If the weight of the teacher be included, the mean rises by 400 grams. Find the weight of the teacher (in kg).

Question 3

A batsman has a certain average runs for 11 innings. In the 12^th innings he made a score of 90 runs and thereby decreased his average by 5. His average after 12^th innings is

Question 4

The average of 10 numbers was found to be 80 but while calculating, one of the numbers was counted as 60 instead of 50. Then the correct average would have been:

Question 5

The average of three numbers is 40.The first number is twice the second and the second one is thrice the
third number. The difference between the largest and the smallest numbers is

Question 6

The Averageb of five consecutive numbers A, B, C, D and E is 102. What is the product of B and D?

Question 7

The average of marks of 14 students calculated as 71. But it was later found that the marks of one student had been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. The correct average is

Question 8

A bowler, whose bowling average is 24.85 runs per wicket. In next match he takes 5 wickets for 52 runs and thereby decreases his average by 0.85. What is the number of wickets taken by him till the last match?
Note: bowling average = numbers of runs conceded by bowler / number of wickets taken

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SSC & Railway Quantitative Aptitude

Nov 28SSC & Railway