If + = -, - = +; then 20 + 8 - 5 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 17.
Given equation: 20 + 8 - 5 = ?
On interchanging the sign:
20 - 8 + 5 = ?
? = 25 - 8 = 17
SSC CGL - 19 Sep 2025 - Shift 2 • Reasoning • Q80
If + = -, - = +; then 20 + 8 - 5 = ?
Correct answer: C
Explanation
The correct answer is option 3 i.e. 17.
Given equation: 20 + 8 - 5 = ?
On interchanging the sign:
20 - 8 + 5 = ?
? = 25 - 8 = 17