RRB Junior Engineer Stage 1 Model Papers 6

Question : 36 of 99

Marks: +1, -0

5, 16, 51, 158, ?

Solution:

5 × 3 + 1 = 16

16 × 3 + 3 = 51

51 × 3 + 5 = 158

158 × 3 + 7 = 481

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