a ∗ b = 2a − b के तहत, 7 ∗ (3 ∗ 4) की गणना कीजिए।
A18
B14
C10
D12
Answer & Solution
Correct answer: D. 12
कोष्ठक से 3 ∗ 4 = 6 − 4 = 2 प्राप्त होता है, और 7 ∗ 2 = 14 − 2 = 12।
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