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1 .

What value should come in place of question mark (?) in the following equations?
$\sqrt {1369}$ $\times$ $\sqrt {72.25}$ = ?

[ A ]    302.5
[ B ]    306.5
[ C ]    308.5
[ D ]    312.5
[ E ]    314.5 right
Answer : Option E
Explanation :
$\sqrt {1369}$ x $\sqrt {72.25}$ = 37 x 8.5 = 314.5
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