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Select the number from among the given options that can replace the question mark (?) in the given figure series.​
Question

Select the number from among the given options that can replace the question mark (?) in the given figure series.

A.

145

B.

155

C.

129

D.

150

Correct option is A

Given:
Logic: Sum of Square of Number inside square = Number inside Circle
In 1st Figure:
(4)2+ (5)2= 16 + 25 = 41
In 2st Figure:
(6)2+ (7)2= 36 + 49 = 85
In 3rd Figure:
(8)2+ (9)2= 64 + 81 = 145
Therefore, the missing number is 145.
Thus, the correct option is (a) 45

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