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In the following question, find the number that will come in place of question mark from the given options.
Question

In the following question, find the number that will come in place of question mark from the given options.

A.

27

B.

21

C.

54

D.

42

Correct option is A

Given:

Logic: Top two number ÷​ 9 = Bottom number

For 2nd pair;

​14 + 84 = 126,

1269\frac{126}{9} = 14

For 3rd pair;

​21 + 42 = 63,

639=7\frac{63}{9} = 7

Same logic apply on 1st pair;

?+549=9\frac{?+54}{9}=9

? + 54 = 81
? = 81 - 54
? = 27
So, 27 is missing number in figure.
Thus, the correct answer is (a).​​

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