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Verbal Reasoning
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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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Numbers
287 x 287 + 269 x 269 - 2 x 287 x 269 =?
534
446
354
324
None of these
Show Answer
Correct Answer:
324
Explanation:
Given Exp.
=
a
2
+
b
2
- 2
ab
, where
a
= 287 and
b
= 269
= (
a - b
)
2
= (287 - 269)
2
= (18
2
)
= 324
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