self Maths Puzzle

What should come in place of both x in the equation x = 162 .
128 x
A. 12 B. 14
C. 144 D. 196

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self Other Question

The cube root of .000216 is:

A. .6 B. .06
C. 77 D. 87
1.5625 = ?

A. 1.05 B. 1.25
C. 1.45 D. 1.55