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Question

Simplify: \(5.25 + 2.75 - \frac{3}{5} - \frac{2}{5} \times \frac{10}{20}\)

This question was previously asked in
RRB NTPC 2025 Graduate CBT 2 Question Paper PDF (10-Jul-2026) (Shift 1)
The correct answer is

7.2

By BODMAS, evaluate the multiplication first: \(\frac{2}{5} \times \frac{10}{20} = \frac{2}{5} \times \frac{1}{2} = \frac{1}{5} = 0.2\).

Also \(\frac{3}{5} = 0.6\).

Now add and subtract in order: \(5.25 + 2.75 = 8.00\).

Then \(8.00 - 0.6 - 0.2 = 7.2\).

Hence, the simplified value is 7.2.

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