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Find the odd one out: 4, 5, 6, 15, 49, 201, 1011

A.	1011	B.	5
C.	49	D.	15

Answer and Explanation

Answer: 5

Explanation:
Second number = (First number*1 + 2) = (4*1 + 2) = 6
Third number = (Second number*2 + 3) = (6*2 + 3) = 15
Fourth number = (Third number*3 + 4) = (15*3 + 4) = 49
Fifth number = (Fourth number*4 + 5) = (49*4 + 5) = 201
Sixth number = (Fifth number*5 + 6) = (201*5 + 6) = 1011

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