Log of a number from its prime factors, using given log values (log 2, log 3 or p, q, r)
This type of question, asked 4 times: CDS 2 2017, CDS 2 2018, CDS 1 2021, CDS 1 2026. All 4 questions below, oldest first.
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Question 1
CDS 2 2017
36If log106=0.7782 and log108=0.9031, then what is the value of log108000+log10600 ?
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Question 2
CDS 2 2018
14If log102=0.3010 and log103=0.4771, then the value of log100(0.72) is equal to
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Question 3
CDS 1 2021
41What is log1031.25 equal to?
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Question 4
CDS 1 2026
29If log10(80)=p, log10(45)=q and log10(216)=r, then what is log10(384) equal to ?
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