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Aptitude
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Verbal Reasoning
Computer Science
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If (64)2 - (36)2 = 20 x x, then x =?
70
120
180
140
None of these
Show Answer
Correct Answer:
140
Explanation:
20 x
x
= (64 + 36)(64 - 36) = 100 x 28
⟹
x
=
100 x 28
= 140
20
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