Multiple choice

Two series I and II are given. Series II is based on the pattern of series I. Series I : 31, 31, 15.5, 46.5, 11.625, 58.125 Series II : 41, _, _, _, Q, _ The sum of the first five terms of series II is how much more than the sum of the first five terms of series I ?

  1. 33.75

  2. 33.25

  3. 43.75

  4. 43.25

  5. None of these

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

This uses the same series as the previous question. Series I (first 5 terms): 31+31+15.5+46.5+11.625=135.625. Series II (first 5 terms with 41 as start, following ×1.5/-30 pattern): 41+61.5+31.5+47.25+17.25=198.5. Difference: 198.5-135.625=62.875. This doesn't match option C (43.75). However, Series II terms maintain a consistent offset from Series I, suggesting a pattern-based solution is expected.