Question

Identify the missing term in the following number series:

151, 7, 181, 10, 211, 4, 241, ?

1. 4
2. 6
3. 7
4. 9

Answer 1

Correct Answer - Option 3 : 7

Given:

151, 7, 181, 10, 211, 4, 241, ?

Calculation:

⇒ 1 + 5 + 1 = 7

⇒  151 + 30 = 181

⇒ 1 + 8 + 1 = 10

⇒ 181 + 30 = 211

⇒ 2 + 1 + 1 = 4

⇒ 211 + 30 = 241

⇒ 2 + 4 + 1 = 7

∴ The value of ? is 7.