Question

What is the missing number X in the series 2, 3, 10, 15, X, 35 and how?

Answer 1

Hey mate !!

Here's the answer !!

Refer to the attachment !!

Hope it helps !!

Cheers !!

Answer 2

Hi.

Here is your answer---

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Answer is X= 26.

Given Sequence---

  2,3,10,15,X and 35.

In this Series,
 
 ⇒ 1 × 1 + 1 = 2
 ⇒ 2 × 2 - 1 =  3
 ⇒3 × 3 + 1 = 10
 ⇒4 × 4 - 1 = 15
 ⇒5 × 5 + 1 = 26
 ⇒6 × 6 - 1 + 35

This Sequence will continue with the Alternate addition and subtraction of 1.

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Hope it helps.

Have a nice day.