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The average of a 6 observations is 45...

The average of a 6 observations is 45.5. If one new observation is added to the previous observations, then the new average becomes 47. The new observation is (a) 46 (b) 50 (c) 56 (d) 58

A

58

B

56

C

50

D

46

Text Solution

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The correct Answer is:
B
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S CHAND IIT JEE FOUNDATION-AVERAGE -QUESTION BANK -16
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  14. The average of 11 numbers is 32 .If the average of the first six nu...

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  15. The average marks obtained by 22 candidates in an examination are 45. ...

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