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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. $1.236576576...$
    can be written in the form of:
  2. What is the sum of $\frac{1}{3}$, $\frac{4}{3}$ and $\frac{3}{4}$?
  3. 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?
  4. The value of $\frac{4}{3} + \left( \frac{1}{1 + \frac{5}{6}} \right) - \frac{5}{4}$ is
  5. What is the value of 

    $\frac{7}{9} - \frac{11}{12} + \frac{13}{16} - \frac{1}{8}$?

  6. How much does one need to add to $\frac{1}{2}$ to get $2$?
  7. 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.
  8. If the numerator of a fraction is increased by 30% and its denominator is decreased by 35%, the value of the fraction becomes $\frac{3}{15}$. Find the original fraction.
  9. Two-fifth of seven-seventeenth of three-fifth of a number is 84. Find 40% of that number.
  10. A beautician's income includes her salary and the tips she gets for her services. During a particular week, if her tips were $\frac{5}{4}$ of her salary, then what fraction of her income came from the tips?

Important Questions from Fractions

  1. 5 \(\frac{3}{4}\) + x + 2  \(\frac{1}{2}\) = 10  \(\frac{1}{8}\) Find the value of x.

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

  3. Number 0.232323 can be written in rational form as:

  4. Solve: \(\frac{1}{2}\)  [{-2(2 + 3)*20}/2]

  5. Match the following.

    Column I

    Column II

    a.

    Equivalent fraction of \(\frac{7}{12}\)  is  

    i.

    Proper fraction

    b.

    Equivalent fraction of  \(\frac{9}{15}\)  is

    ii.

    Improper fraction

    c.

    \(\frac{7}{11}\)  is

    iii.

    \(\frac{21}{36}\)

    d.

    \(\frac{19}{5}\)  is

    iv.

    \(\frac{3}{5}\)

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