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Questions  

The value of 811/log5 3+27log9 36+34/log7 9 is equal to

a
49
b
625
c
216
d
890

detailed solution

Correct option is D

811/log5 3+27log9 36+34/log7 9=34 log3 5+33.12 log336+34 log9 7=3log3 54+3log3 363/2+3log3 74/2=54+363/2+72=890.

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