Exams › SSC CGL (Prelims) › General
If 8 3 = 32 and 6 4 = 30, then 5 4 = ?
- 28
- 20
- 24
- 25
Correct answer: 25
Solution
The given examples fit the rule a0a d7 b f7 2. For 8 and 3, a08 d7 3 f7 2 = 12, so the printed examples appear inconsistent; however, among the options the intended pattern commonly used in such questions is a0a d7 b + 8? Since the keyed answer is 25, the intended relation is likely a0a^2 - b^2? For 5 and 4, that gives 25 - 16 = 9, not matching. The most plausible exam-keyed interpretation is simply 5 d7 5 = 25.
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