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Find the Missing Numbers in the given Number Puzzle ?

169 & 81

67 & 121

64 & 115

70 & 110

Answer : Option A

Explanation :

Observe that in each column, square of sum of digits in the first row = Respective second row elements.

In the same way, square of sum of digits in the second row = Respective third row elements.

=> (6+4) $^2$ =10 $^2$ =100

=> (4+9) $^2$ =13 $^2$ =169

=> (8+1) $^2$ =9 $^2$ =81.

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