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(78 95)2 - (43 35)2 =

This question belongs to Arithmetic Ability Decimal Fraction
Decimal Fraction
?

(78.95)2 - (43.35)2 = ?

Answer & Solution
Correct Answer: Option D
(78.95)2 - (43.35)2
= (78.95 + 43.35) (78.95 - 43.35)
= 122.3 × 35.6
= 4353.88
[∵ a2 - b2 = (a + b) (a - b)]
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