A series is given with one term wrong. Select that wrong term from the given…
2021
A series is given with one term wrong. Select that wrong term from the given alternatives. 9, 9, 13.5, 28, 67.5, 202.5
- A.
202.5
- B.
13.5
- C.
67.5
- D.
28
Attempted by 37 students.
Show answer & explanation
Correct answer: D
The multipliers increase by 0.5 each step: ×1, ×1.5, ×2, ×2.5 and ×3. Starting from 9: 9 × 1 = 9, 9 × 1.5 = 13.5, 13.5 × 2 = 27, 27 × 2.5 = 67.5 and 67.5 × 3 = 202.5. Therefore, the term 28 should have been 27, so 28 is the wrong term.