If 2 3 = 8, 3 4 = 15, then 4 5 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 24.
2 × 3 = 8 → 2 × (2 + 2) = 8
3 × 4 = 15 → 3 × (3 + 2) = 15
Similarly, 4 × 5 → 4 × (4 + 2) = 4 × 6 = 24
SSC CGL - 23 Sep 2025 - Shift 2 • Reasoning • Q98
If 2 3 = 8, 3 4 = 15, then 4 5 = ?
Correct answer: C
Explanation
The correct answer is option 3 i.e. 24.
2 × 3 = 8 → 2 × (2 + 2) = 8
3 × 4 = 15 → 3 × (3 + 2) = 15
Similarly, 4 × 5 → 4 × (4 + 2) = 4 × 6 = 24