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Question

Two plumbers, X and Y, are paid a total of ₹770 per day by their employer. If X is paid 140% of the sum paid to Y, then how much is Y paid (in ₹, rounded off to two decimal places) per day?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

320.83

Let's denote the amount paid to Y as 'y'.

According to the problem, X is paid 140% of the sum paid to Y. Therefore, the amount paid to X is 1.4y.

The total amount paid to both X and Y is ₹770. We can express this as an equation:

\(y + 1.4y = 770\)

Combining the terms with 'y', we get:

\(2.4y = 770\)

Now, to find the value of y (the amount paid to Y), we divide both sides of the equation by 2.4:

\(y = \frac{770}{2.4}\)

Calculating this gives us:

\(y ≈ 320.8333\)

Rounding off to two decimal places, we find that Y is paid ₹320.83 per day.

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