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Home/Practice questions/General Aptitude Test

General Aptitude TestQuantitative ReasoningAlgebra

The value of 97 × 103 is _________ .

The value of 97 × 103 is _________ .

Answer & explanation+

Correct answer: option 2

(a - b)(a + b) = (a² - b²)

97 × 103 =

(100 - 3)(100 + 3)

= 100² - 3²

= 10000 - 9 = 9991

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