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If average of 20 observation x(1), x(2),...

If average of 20 observation `x_(1), x_(2), ……x_(20)` is y . then the average of `x_(1) - 101, x_(2) - 101, x_(3) - 101, ……. X_(20) - 101` is :

A

y - 20

B

y - 101

C

20y

D

101y

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The correct Answer is:
B
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GAGAN PRATAP -AVERAGE-Multiple Choice Questions
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  7. If a, b. c, d, e are five consecutive odd numbers, their average is:

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  12. The average of 5 consecutive odd numbers is 75. By adding which number...

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  13. The average of four consecutive odd natural numbers is eight less than...

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  14. The average of 35 consecutive natural numbers is N. Dropping the first...

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  15. The sum of 17 consecutive numbers is 289. The sum of another 10 consec...

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  18. The average of 1088 real numbers is zero. At most how many of them can...

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