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Question

What is the value of $\frac{(0.03)\times(0.05)\times(1.5)}{0.0225}$?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper PDF (31-Jan-2021) (Shift 1)
The correct answer is
0.1

Evaluating the Decimal Expression

The problem requires calculating the value of the expression:

$ \frac{(0.03)\times(0.05)\times(1.5)}{0.0225} $

Step-by-Step Calculation

  1. First, calculate the product of the numbers in the numerator:

    $ (0.03) \times (0.05) = 0.0015 $
  2. Next, multiply this result by 1.5:

    $ 0.0015 \times 1.5 = 0.00225 $

    So, the numerator evaluates to 0.00225.

  3. Now, divide the result from the numerator by the denominator:

    $ \frac{0.00225}{0.0225} $
  4. To simplify the division, we can multiply both the numerator and the denominator by 100000 to eliminate the decimals:

    $ \frac{0.00225 \times 100000}{0.0225 \times 100000} = \frac{225}{2250} $
  5. Simplify the fraction:

    $ \frac{225}{2250} = \frac{1}{10} $
  6. Convert the fraction to its decimal form:

    $ \frac{1}{10} = 0.1 $

Therefore, the value of the given expression is 0.1.

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