Civil Service Exam Reviewer · Logical Reasoning · hard
If 8 ★ 2 = 616, 9 ★ 3 = 627, then 9 ★ 7 = ?
- 162
- 6316
- 263
- 1663
Answer
C. 263
Solution
The rule is a ★ b = (a − b) followed by (a × b). Check: 8 ★ 2 → 616; 9 ★ 3 → 627. So 9 ★ 7 = 263.
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