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Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
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Numbers
106 x 106 - 94 x 94 =?
2400
2000
1904
1906
None of these
Show Answer
Correct Answer:
2400
Explanation:
106 x 106 - 94 x 94
= (106)
2
- (94)
2
= (106 + 94)(106 - 94) [
Ref:
(a
2
- b
2
) = (a + b)(a - b)
]
= (200 x 12)
= 2400.
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