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1 .

What value should come in place of question mark (?) in the following equations?
6.5 $\times$ 7.5 $\times$ 8.5 $\times$ ? = 16575

[ A ]    20
[ B ]    40 right
[ C ]    60
[ D ]    80
[ E ]    120
Answer : Option B
Explanation :
? = $16575 \over 65 \times 7.5 \times 8.5$ = 40
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