MCQ practice · SSC General Mathematics Board questions · Chapter 4: Exponents and Logarithms
What is taken as the base of the natural logarithm?
Think it through first, then pick an option.
- a 2.71828
- b 3.1416
- c 10
- d 27.18
Answer and explanation
Correct answer: a 2.71828
The base of the natural log is e = 2.71828….
Why the other options are wrong
- b 3.1416: 3.1416 is π, not e. The correct answer is 2.71828.
- c 10: 10 is the base of the common log. The correct answer is 2.71828.
- d 27.18: 27.18 is ten times e, not the base. The correct answer is 2.71828.
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