Logarithm Aptitude Questions and Answers - Wikitechy https://www.wikitechy.com/interview-questions/tag/logarithm-aptitude-questions-and-answers/ Interview Questions Sat, 28 Aug 2021 11:04:48 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png Logarithm Aptitude Questions and Answers - Wikitechy https://www.wikitechy.com/interview-questions/tag/logarithm-aptitude-questions-and-answers/ 32 32 log10(10) + log10(100) + log10(1000) + log10(10000) + log10(100000) is equal to ? https://www.wikitechy.com/interview-questions/logarithm/log1010-log10100-log101000-log1010000-log10100000-is-equal-to/ https://www.wikitechy.com/interview-questions/logarithm/log1010-log10100-log101000-log1010000-log10100000-is-equal-to/#respond Wed, 18 Aug 2021 01:14:48 +0000 https://www.wikitechy.com/interview-questions/?p=2011

log10(10) + log10(100) + log10(1000) + log10(10000) + log10(100000) is equal to ?

A. 15

B. log 11111

C. log10 (1111)

D. 14 log10 (100)

Answer : A. 15

Explanation :

Here are some values to base ten represented as logarithms :

Value As 10 raised to a power Log to base 10
1 10 0 0
10 10 1 1
100 10 2 2
1000 10 3 3
10000 10 4 4
100000 10 5 5

1 + 2 + 3 + 4 + 5 = 15

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