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Home / Aptitude Tests / Mathematics / Find the value of x ...
Find the value of x for which 2(32x-1) = 162...

Find the value of x for which 2(32x-1) = 162

A.

5/2

B.

3/2

C.

2/5

D.

1/2

View answer & explanation

Correct answer is A

2(32x-1) = 162
32x-1 = 162/2
32x-1 = 81
32x-1 = 32
2x - 1 = 4 (equating the indices)
2x = 5
5/2
x =


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