Practice MCQ Questions and Answer on Series Completion

211.

Choose the missing terms out of the given alternatives : B, D, F, I, L, P, ?

Solution:

 B + 2 D + 2 F + 3 I + 3 L + 4 P + 4 T

212.

6, 13,28,59,?

Solution:

 1st number : 6 2nd number : 6 X 2 +1 = 13 3rd number : 13 X 2 + 2 = 28 4th number : 28 X 2 + 3 = 59 therefore 5th number : 59 x 2 + 4 = 122

213.

One term in the number series is wrong. Find out the wrong term.
5, 10, 40, 80, 320, 550, 2560

Solution:

 The correct pattern is x 2, x 4, x 2, x 4, ..... So, 550 is wrong and must be replaced by (320 x 2) i.e. 640.

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