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Question

If 2k > 111111.11111 , then the minimum integral value of k that satisfies the given condition is (given that log 2 = 0.3010 and log 3 = 0.4771 )


A

17

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B

16

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C

18

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D

19

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Solution

The correct option is A

17


2k > 111111.11111

log 2k > log 111111.11111

k log2 > log (10000009)

0.3010 k > log106 - 2log3

0.3010k>62× 0.4771

k > 16.76

So, minimum integral value of k that satisfies the relation is 17.


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