Average of all numbers between 8 and 74 which are divisible by 7, ?

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4.Average

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What is the average of all numbers between $8$ and $74$ which are divisible by $7\, ?$

A

$40$

B

$41$

C

$42$

D

$43$

Solution

Numbers between $8$ and $74$ which is divisible by $7$ are $14,21,28,35,42,49,56,63,70$ there are $9$ numbers.

$\therefore$ The average will be $5^{\text {th }}$ Number $42$

Standard 13

Quantitative Aptitude

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