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RRB Group D 27 Nov 2025 Shift 1 Solved Paper

Question : 31 of 100

Marks: +1, -0

\frac{1}{20}

\frac{10}{40}

Solution:

Concept:

To find what percentage one number is of another, divide the first by the second and multiply by 100.

Explanation:

First, simplify the second fraction:

\frac{10}{40} = \frac{1}{4}

We need

\frac{1}{20}

as a percentage of

\frac{1}{4}

So, Required percentage

= \left( \frac{\frac{1}{20}}{\frac{1}{4}} \right) \times 100

Simplify the division:

\frac{\frac{1}{20}}{\frac{1}{4}} = \frac{1}{20} \times \frac{4}{1} = \frac{4}{20} = \frac{1}{5}

Then,

\frac{1}{5} \times 100 = 20\%

Answer:

20\%

— Option A.

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