Multiple choice

Directions: What will come in place of the question mark (?) in the following number series?

9, 31, 161, 1135, ?

  1. 10215

  2. 10225

  3. 10220

  4. 10235

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is 9, 9 x 3 + 4 = 31, 31 x 5 + 6 = 161, 161 x 7 + 8 = 1135 and so on. So, the missing term is 1135 x 9 + 10 = 10225.

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