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Question

Find the value of K if 94X35=3k.

A
2/13
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B
13/2
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C
1/13
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D
4/5
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Solution

The correct option is A 13/2
solution:
94 x 35=3k
taking log on both sides we get
42log9+52log3=log3k
41log3+52log3=log3k

132log3=log3k

comparing both sides we get k = 13/2
hence the correct option : B

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