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Logical Reasoning (RBI)

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45:30

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6 7 11 20 36 ?

61

62

64

66

None of these

Explanation:

6+1^2 = 6+1 = 7
7+2^2 = 7 + 4 = 11
11+3^2 = 11+9 = 20
20+4^2 = 20+16 = 36
36+5^2 = 36+25 = 61

Hence, option 1 is the correct answer.

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