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What approximate value should come in place of the question mark '?' in the following question? [You are not expected to calculate the exact value.] (91.104 × ? + 45.004 × 2.895 = 75.001 × 8.888)

What approximate value should come in place of the question mark '?' in the following question? [You are not expected to calculate the exact value.] (91.104 × ? + 45.004 × 2.895 = 75.001 × 8.888) Correct Answer 6

Approximating the terms as,

⇒ 91.104 ≅ 91

⇒ 45.004 ≅ 45

⇒ 2.895 ≅ 3

⇒ 75.001 ≅ 75

⇒ 8.888 ≅ 9

Hence, the expression approximately becomes,

⇒ 91 × ? + 45 × 3 = 75 × 9

⇒ 91 × ? = 675 – 135

⇒ ? = 540/91

∴ ? = 6

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