Instructions

What will come in place of question mark (?) in the given number series ?

Question 59

5 7 17 55 225 ?

Solution

5 $$\times$$ 1+ 2 = 7
7 $$\times$$ 2+ 3 = 17
17 $$\times$$ 3+ 4 = 55
55 $$\times$$ 4+ 5 = 225

The missing term is 225 $$\times$$ 5+ 6 = 1131
Option B is the correct answer.

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