Question

1, 2, 6, 15, 20, 30, 42 (Answer the question after reading the following paragraph.)

1, 2, 6, 15, 20, 30, 42 (Answer the question after reading the following paragraph.)

Direction: In the following number series, only one number is wrong. Find out that number:

Option A: 30
Option B: 15
Option C: 6
Option D: 1

Correct Answer

Option: b

Explanation

Assorted

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