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Question

If $331 \times 226 = 74806$. What is the value of $3.31 \times 0.226$?

This question was previously asked in
RRB NTPC 2019 CBT 1 Question Paper (8-Mar-2021) (Shift 2)
The correct answer is
0.74806

To solve the problem of finding the value of \(3.31 \times 0.226\) given that \(331 \times 226 = 74806\), we will first break down the given equation and apply the properties of decimals.

  1. First, observe that \(3.31\) can be represented as \(\frac{331}{100}\) and \(0.226\) can be represented as \(\frac{226}{1000}\).
  2. Thus, the expression \(3.31 \times 0.226\) can be rewritten as:
\[\frac{331}{100} \times \frac{226}{1000}\]
  1. Now, simplify further by multiplying the numerators and denominators:
\[\frac{331 \times 226}{100 \times 1000}\]
  1. From the problem information, we know \(331 \times 226 = 74806\), substituting this in gives us:
\[\frac{74806}{100000}\]
  1. Dividing \(74806\) by \(100000\) involves moving the decimal point five places to the left:
\[0.74806\]
  1. Thus, the value of \(3.31 \times 0.226\) is \(0.74806\).

Therefore, the correct answer is 0.74806. This matches the given option and validates through the arithmetic breakdown and calculation using the given integer multiplication.

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