Complete the series: 3, 8, 15, 24, 35, ______.
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → 48
Each term is one less than a perfect square:
3 = 22 − 1, 8 = 32 − 1, 15 = 42 − 1, 24 = 52 − 1, 35 = 62 − 1
Next term = 72 − 1 = 48