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Question

Find the value of

$\frac{32}{46} \times \frac{94}{576} \times \frac{184}{282}$

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
$\frac{2}{27}$

Fraction Multiplication Simplification

Calculate the value of the expression:

$ \frac{32}{46} \times \frac{94}{576} \times \frac{184}{282} $

Simplify by canceling common factors between numerators and denominators.

Stepwise Calculation

  1. Simplify individual fractions by dividing by common factors:

    • $ \frac{32}{46} = \frac{16}{23} $ (Divide by 2)
    • $ \frac{94}{576} = \frac{47}{288} $ (Divide by 2)
    • $ \frac{184}{282} = \frac{92}{141} $ (Divide by 2)

    The expression becomes:

    $ \frac{16}{23} \times \frac{47}{288} \times \frac{92}{141} $

  2. Identify factors for cross-cancellation:

    • $ 288 = 16 \times 18 $
    • $ 92 = 23 \times 4 $
    • $ 141 = 47 \times 3 $

    Substitute these into the expression:

    $ \frac{16}{23} \times \frac{47}{16 \times 18} \times \frac{23 \times 4}{47 \times 3} $

  3. Cancel the common factors ($16$, $23$, $47$) from numerators and denominators:

    $ \frac{\cancel{16}}{\cancel{23}} \times \frac{\cancel{47}}{\cancel{16} \times 18} \times \frac{\cancel{23} \times 4}{\cancel{47} \times 3} $

    This leaves:

    $ \frac{1}{1} \times \frac{1}{18} \times \frac{4}{3} $

  4. Multiply the remaining terms:

    $ \frac{1 \times 1 \times 4}{1 \times 18 \times 3} = \frac{4}{54} $

  5. Simplify the final fraction by dividing the numerator and denominator by 2:

    $ \frac{4}{54} = \frac{2}{27} $

The value of the expression is $ \frac{2}{27} $.

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Similar Questions

  1. The numerator of a fraction is increased by $20\%$ and the denominator is decreased by $50\%$. If the resultant fraction is $\frac{5}{6}$, then what will be the original fraction?
  2. $1.236576576...$
    can be written in the form of:
  3. What smallest fraction should be added to $3\frac{2}{3} + 6\frac{7}{12} + 4\frac{9}{36} + 5 + 7\frac{1}{12}$ to make the sum a whole number?
  4. What is the positive difference between $\frac{5}{16}$ and its reciprocal?
  5. The sum of the numerator and denominator of a fraction is 11. If the numerator is decreased by 1, the fraction becomes $\frac{1}{4}$. Find the fraction.
  6. How much does one need to add to $\frac{1}{2}$ to get $2$?
  7. Solve the following:

    $(0.\overline{5} + 0.\overline{6} + 0.\overline{7} + 0.\overline{8}) = ?$
  8. What is the sum of $\frac{1}{3}$, $\frac{4}{3}$ and $\frac{3}{4}$?
  9. Four persons A, B, C and D completed a task in $\frac{2}{3} \text{ h}, \frac{3}{4} \text{ h}, \frac{4}{5} \text{ h}$ and $\frac{1}{5} \text{ h}$ respectively. Who among the following took the highest amount of time to complete the task?
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Important Questions from Fractions

  1. Which fraction among the following is the least ?

    \(\frac{5}{11}, \frac{7}{12}, \frac{8}{13}, \frac{9}{17}\)

  2. Find the value of the following expression:

    \(\frac{{3 \div 1 \times 2 + 5 - 2}}{{3 \times 3 - 2}}\)

  3. Simplify the expression 441 ÷  \(\left[270 \div \frac{3}{7}+\left(17\div \frac{1}{3}\right)-\left(8\frac{1}{2}-\frac{5}{2}\right)\right]\)

  4. If the sum of two positive numbers is 65 and the square root of their product is 26, then the sum of their reciprocals is:

  5. The value of \(9 \div [\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{6}\div(\frac{3}{4}-\frac{1}{3})\;of\;\frac{2}{9}]\)  is:

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