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Question


What should come in place of both x in the equation
x
=
162
.
128
x

Options:
A .  12
B .  14
C .  144
D .  196
Answer: Option A


Let
x
=
162
128
x


Then x2 = 128 x 162


   = 64 x 2 x 18 x 9


   = 82 x 62 x 32


   = 8 x 6 x 3


   = 144.


What Should Come In Place Of Both X In The Equationx=162.128... x = 144 = 12.



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