Find the missing term: 2, 7, 27, 107, 427, ?

by Mr. DJ

Find the missing term: 2, 7, 27, 107, 427, ?

A. 1262
B. 1707
C. 4027
D. 4207

Answer & Solution

Answer: Option B
Solution:

The pattern is +5, +20, +80, +320
i.e. +(5 × 12 ), +(5 × 22 ), +(5 × 42 ), +(5 × 82 )
So, missing term = 427 + +(5 × 162 ) = 427 +1280 = 1707

Find the missing term: 10, 18, 28, 40, 54, 70, ?

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