AP Police Constable practice question
If 2 a = 32, b 4 = 81, and b > 0, then what is the value of a b ?
From a AP Police Constable General Awareness practice set · General Awareness
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Correct answer: (C) 125
2a = 32 = 25 gives a = 5, and b4 = 81 = 34 with b>0 gives b = 3, so ab = 53 = 125.
हिंदी में प्रश्न
यिद 2 a = 32, b 4 = 81, और b > 0 है , तो a b का मान ा है ?
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सही उत्तर: (C) 125
2a = 32 = 25 से a = 5, और b4 = 81 = 34 (b>0) से b = 3, अतः ab = 53 = 125।
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