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(55 25)2 - 637 5625 =

This question belongs to Arithmetic Ability Decimal Fraction
Decimal Fraction
?

(55.25)2 - 637.5625 = ?

Answer & Solution
Correct Answer: Option D
Given expression :
(55.25)2 - (25.25)2
= (55.25 + 25.25) (55.25 - 25.25)
= 80.5 × 30
= 2415
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