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1. One term in the number series is wrong. Find out the wrong term.
3, 4, 10, 32, 136, 685, 4116
So, 32 is wrong and must be replaced by (10 x 3 + 3) i.e. 33.
3, 4, 10, 32, 136, 685, 4116
Solution:
The correct pattern is x 1 + 1, x 2 + 2, x 3 + 3, x 4 + 4,.....So, 32 is wrong and must be replaced by (10 x 3 + 3) i.e. 33.