Lessons

General Aptitude
9.1 Numbers - General Questions

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Q.

106 x 106 - 94 x 94 = ?

View Answer

Correct choice: A

Explanation:

106 x 106 - 94 x 94 = (106)2 - (94)2
  = (106 + 94)(106 - 94)    [Ref: (a2 - b2) = (a + b)(a - b)]
  = (200 x 12)
  = 2400.
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