`sqrt(50) xx sqrt(98)`

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Question

`sqrt(50) xx sqrt(98)` is equal to :

Options:

A . 63.75

B . 65.95

C . 70

D . 70.25

Answer: Option C

`sqrt(50) xx sqrt(98)` = `sqrt(50 xx 98)` = `sqrt(4900)` = 70.

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