RRB Junior Engineer Stage 1 Model Papers 4

Question : 35 of 99

Marks: +1, -0

Find the wrong number in the series.6, 9, 15, 22, 51, 99

Solution:

6 + 3 = 9, 9 + 6 = 15 15 + 12 = 27, 27 + 24 = 51,51 + 48 = 99

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