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Question : A shopkeeper purchased a chair marked at Rs. 600 at two successive discounts of 15% and 20% respectively. He spent Rs. 28 on transportation and sold the chair for Rs. 545. His gain percentage was:

Option 1: 25%

Option 2: 30%

Option 3: 35%

Option 4: 20%


Team Careers360 15th Jan, 2024
Answer (1)
Team Careers360 17th Jan, 2024

Correct Answer: 25%


Solution : (Single equivalent discount = $(a+b-\frac{a\:×\:b}{100}$)%, where $a$% and $b$% are successive discounts.)
Single equivalent discount = $(15+20-\frac{15\:×\:20}{100}$)= 32%
After two successive discount cost price = 600 $\times$ 68% = 408
Total cost = 408 + 28 = 436
Selling price = 545
Gain percent = $\frac{545 \:-\: 436}{436}\times 100 = 25$%
Hence, the correct answer is $25$%.

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