Chose the expression which give answer as 45 :

(

9^{2} - 7^{2}

) +

14

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6^{2} + 48 \div 4

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5^{2} + 36 - 16

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(8^{2} - 4^{2}) + (2 + 4 - 3)

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Solution

The correct option is C $5^{2} + 36 - 16$
Evaluating the options one by one using BODMAS , we get :
( $9^{2} - 7^{2}$ ) $+ 14$ = ( 81 - 49 ) + 14
= 32 + 14 = 46
$6^{2} + 48 \div 4$ = 36 + $48 \div 4$ = 36 + 12 = 48
$5^{2} + 36 - 16$ = 25 + 36 - 16 = 61 -16 = 45
$(8^{2} - 4^{2}) + (2 + 4 - 3)$ = (64 - 16) + (2 + 4 - 3) = 48 + (6 - 3) = 48 + 3 = 51

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