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Question

Evaluate log3216 - log12525 + log279


A

114

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B

14

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C

113

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D

115

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Solution

The correct option is A

114


log3216 - log12525 + log279

= log32log16log125log25+log27log9

= log25log24log53log52+log33log32

= 5log24log23log52log5+3log32log3

=5432+32 = 54 = 114


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