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Which of the following is to be added to 74.5 to get 91?

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14.5

15.5

17.5

16.5

answer is B.

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Detailed Solution

Given, a number should be added to 74.5 to get 91.
Let the number to be added be

x

.
Then, 74.5 +

x

= 91.
By simplification,

x

= 91

-

74.5
Then,

x

= 16.5
Hence, the number to be added to 74.5 to get 91 is 16.5.
Therefore, option 2 is correct.

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