In each of the following number series, a wrong number is given. FInd out the wrong number.1 3 6 11 20 39 70<br/> ?->(Show Answer!)

1. In each of the following number series, a wrong number is given. FInd out the wrong number.1 3 6 11 20 39 70

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By: anil on 05 May 2019 01.32 am

$$1 imes 2+1 = 3$$
$$3 imes 2+0 = 6$$
$$6 imes 2-1 = 11$$
$$11 imes 2-2 = 20$$
$$20 imes 2-3 = 37$$
$$37 imes 2-4 = 70$$
Hence, 39 is the wrong number here.

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