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Question

If X = 0.72444444…, then find the fractional value of X.

This question was previously asked in
RPF Constable 2018 Question Paper PDF (16-Feb-2019) (Shift 2)
The correct answer is

652/900

652/900 is correct.

In \(0.72\overline{4}\) the digits 7 and 2 do not repeat, while 4 repeats.

For such a mixed recurring decimal, take the whole digit string minus the non-repeating part, over one 9 for each repeating digit followed by one 0 for each non-repeating digit.

\(X=\dfrac{724-72}{900}=\dfrac{652}{900}\).

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Important Questions from Decimals

  1. What value should come in the place of question mark (?) in the following question:

     $(44.7+347.33+3347.333+33347.3333)  ÷50 = ?$

  2. The LCM of the numbers 4.9 and 0.008 is:
  3. What would be the value of \(0.\overline{53}\)
  4. Solve the following.
    $3.142 + 3.61 - 2.12 + 4 - 7.6 =$ ?
  5. What will the value of the following be (correct to three decimal points)? 

    $160.342 - 32.124$

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