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This question belongs to Competitive Reasoning Missing Number Finding

Missing Number Finding

?

Find the missing number?

A) 11 B) 9 C) 15 D) 12

Answer & Solution

Correct Answer: Option D

Working from the bottom row to the apex of the triangle, the sum of the values in each row follows the sequence 15, 14, 13,12.

8 + 2 + 1 + 4 = 15
7 + 3 + 4 = 14
6 +7 = 13
So,
Top Element = 12.

Question posted by Examveda

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