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Question : A boy buys candies at 6 for a rupee. How many candies should he sell for a rupee to earn a profit of 20%?

Option 1: 4

Option 2: 3

Option 3: 7

Option 4: 5


Team Careers360 1st Jan, 2024
Answer (1)
Team Careers360 8th Jan, 2024

Correct Answer: 5


Solution : The cost price of 6 candies = INR 1
So, cost price of one candy = $\frac{1}{6}$
It is given, Profit = 20% of cost price
= $\frac{20}{100} × \frac{1}{6}$
= $\frac{1}{30}$
So, the selling price = $\frac{1}{6}$ + $\frac{1}{30}$ = $\frac{5+1}{30}$ = $\frac{1}{5}$
$\therefore$ Number of candies to sell for INR 1 = 5
Hence, the correct answer is 5.

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