Direction: In each of the following questions choose the missing number to complete the series. |
A) 12
B) 15
C) 18
D) 21
Correct Answer: B
Solution :
: The numbers are 1 + 2,1 + 2 + 3,1 +2+3+4, 1+2+3+4+5 i.e., 1,3,6,10,15You need to login to perform this action.
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