Indian Institute of Foreign Trade 2016 Solved Paper

Question : 37 of 123

Marks: +1, -0

In the following question, one term in the number series is wrong. Find out the wrong term.
10, 26, 74, 218, 654, 1946, 5834

Solution:

(a) The pattern is :
10, 26, 74, 218, 654
10

\times

3 – 4 = 26
26

\times

3 – 4 = 74
74

\times

3 – 4 = 218
218

\times

3 – 74 = 650

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