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What approximate value will come in the place of the question mark ‘?’ in the following question? 858.231 ÷ 39.345 × 74.154 – 1499.98 + 31.798 = (2)? × 9.879

What approximate value will come in the place of the question mark ‘?’ in the following question? 858.231 ÷ 39.345 × 74.154 – 1499.98 + 31.798 = (2)? × 9.879 Correct Answer 4

858.231 ÷ 39.345 × 74.154 – 1499.98 + 31.798 = (2)? × 9.879

Taking their approx. values

⇒ 858/39 × 74 – 1500 + 32 = (2)? × 10

⇒ 1628 – 1500 + 32 = (2)? × 10

⇒ 128 + 32 = (2)? × 10

⇒ 160/10 = (2)?

⇒ 2? = 16

⇒ 2? = 24

⇒ ? = 4

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