Multiple choice

In the given series one of the element is missing, choose from the alternatives and complete the series:- निम्न श्रृंखला में एक तत्व लुप्त है , विकल्पों से चुनकर श्रृंखला को पूरा कीजिये:- 109, 74, 46, 25, 11, ?

  1. 11

  2. 4

  3. 3

  4. 36

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pattern is subtracting consecutive decreasing squares: 109 - 35 = 74, 74 - 28 = 46, 46 - 21 = 25, 25 - 14 = 11. The differences are 35, 28, 21, 14 (decreasing by 7). Next difference = 14 - 7 = 7. So: 11 - 7 = 4.