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Profit and Loss – Compute selling price for a desired gain: Find the selling price when the cost price is ₹ 40 and the gain is 25%.

Difficulty: Easy

₹ 45
₹ 48
₹ 50
₹ 49
₹ 55

Correct Answer: ₹ 50

Explanation:

Introduction / Context:
Convert a gain percentage into a selling price using the multiplicative factor.

Given Data / Assumptions:

CP = ₹ 40
Gain% = 25%

Concept / Approach:
SP = (1 + gain%) * CP.

Step-by-Step Solution:
SP = 1.25 * 40 = 50

Verification / Alternative check:
Gain = 10 on CP 40 ⇒ 25%.

Why Other Options Are Wrong:
45, 48, 49, 55 are not equal to 1.25 * 40.

Common Pitfalls:
Adding 25 to CP rather than 25% of CP, which coincidentally is correct here but fails in general.

Final Answer:
₹ 50

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