Question (63/66)

Find the average of all numbers between 6 and 34 which are divisible by 5 ?

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(A)  18

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(B)  20

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(C)  22

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(D)  24

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Question (64/66)

The average of 20 numbers is zero. Out of them, at the most, how many be greater than zero ?

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(A)  6

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(B)  9

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(C)  11

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(D)  19

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