Question 196

What approximate value should come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)
$$9980 \div 49 \times (4.9)^{2} - 1130 = ?$$

Solution

Since an approximate answer is sufficient, you can rewrite the question as $$10000 \div 50 \times 5^{2} - 1130$$

Following BDMAS rule the result is 3870.

The nearest value is 3800.

Hence Option A is the correct answer.

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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)$$9980 \div 49 \times (4.9)^{2} - 1130 = ?$$