The value of log(8) base 2 is
A2
B3
C1
D4
Answer & Solution
Correct answer: B. 3
1. log base 2 of 8 asks: 2 raised to what power equals 8?
2. 2^1 = 2, 2^2 = 4, 2^3 = 8.
3. So 2^3 = 8 gives log base 2 of 8 = 3.
4. The answer is 3.
_Source: ICAI BoS Foundation Paper 3, Ch 1 Unit IV 'Logarithms', p.16_
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