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Q.

Simplify  9 4 × 5 3 + 13 2 × 5 6 .  


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a

 35

b

53

c

-53

d

-35 

answer is B.

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Detailed Solution

Given,
9 4 × 5 3 + 13 2 × 5 6  
Simplify the given expression,
9 4 × 5 3 + 13 2 × 5 6 45 12 + 65 12       a b × c d = a×c b×d 45+65 12 20 12 5 3   Hence, the required number is 53  .
Correct option is 2.
 
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