Question:
If log 2(5+log3a)=3 and log5(4a+12+log2b) = 3, then a+b is equal to
If log 2(5+log3a)=3 and log5(4a+12+log2b) = 3, then a+b is equal to
Updated On: Sep 30, 2024
- 67
- 40
- 32
- 59
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The Correct Option is D
Solution and Explanation
The correct answer is (D):
5+log3a = 23 = 8 ⇒ a = 27
Similarly, 4a+12+log2b = 53 = 125
since a = 27, 4(27)+12+log2b = 125 ⇒ b = 32
a + b = 59.
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