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Question

Which of the following options will be the most approximate value that will come in place of question mark (?) in the following equation?
$259.99 \div 24.99 \times 35.01 - 29.98 \times 9.96 = ?$

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
64

Approximate Value Calculation

To find the approximate value, we round the numbers in the equation to their nearest simple values:

  • \(259.99 \approx 260\)
  • \(24.99 \approx 25\)
  • \(35.01 \approx 35\)
  • \(29.98 \approx 30\)
  • \(9.96 \approx 10\)

Substitute these rounded values into the original equation:

\( \approx 260 \div 25 \times 35 - 30 \times 10 \)

Step-by-Step Calculation

  1. Perform the division: \( 260 \div 25 \)

    Result: \( 10.4 \)

  2. Perform the multiplication: \( 10.4 \times 35 \)

    Result: \( 364 \)

  3. Perform the other multiplication: \( 30 \times 10 \)

    Result: \( 300 \)

  4. Perform the subtraction: \( 364 - 300 \)

    Result: \( 64 \)

Therefore, the most approximate value for the question mark is 64.

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Similar Questions

  1. Which of the following options is the closest approximate value that will come in place of question mark (?) in the following equation?
    $\sqrt[3]{63.998} + \frac{5}{4} \text{ of } 120.01\% \text{ of } 399.89 - 29.99 \div 3.01 = ?$
  2. Which of the following options is the closest approximate value which will come in place of question mark(?) in the following equation?
    $119.99 \div 14.99 \times 25.01 - 19.98 \times 4.96 = ?$
  3. Which of the following options is the closest approximate value which will replace question mark (?) in the following equation?
    (44.97% of 226) + 55.03 $\times$ 4.98 - ? = 140
  4. Which of the following options is the closest approximate value which will come in place of question mark(?) in the following equation?

    $24.99\% \text{ of } 799.897 + 29.989\% \text{ of } 120.010 = 190 + 22.998\% \text{ of } ?$
  5. Which of the following options is the closest approximate value which will come in place of question mark(?) in the following equation?

    $895.98 + 185.01 + 851.86 + 524.09 = ?$
  6. Which of the following options is the closest approximate value which will come in place of question mark (?) in the following equation?

    2.98 of 5 + 1.96 of 5 - 4 $\div$ 2 + 0.98 = ?

Important Questions from Approximation

  1. $6893.5 \times 603.3 \times 0.3019$ is equal in value to:
  2. $7362 \times 726.8 \times 0.709$ is equal in value to:

  3. Which of the following options is the closest approximate value that will come in place of question mark (?) in the following equation?
    $\sqrt[3]{63.998} + \frac{5}{4} \text{ of } 120.01\% \text{ of } 399.89 - 29.99 \div 3.01 = ?$
  4. Which of the following options is the closest approximate value which will come in place of question mark(?) in the following equation?
    $119.99 \div 14.99 \times 25.01 - 19.98 \times 4.96 = ?$
  5. Which of the following options is the closest approximate value which will replace question mark (?) in the following equation?
    (44.97% of 226) + 55.03 $\times$ 4.98 - ? = 140
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