A shopkeeper sells one transistor for Rs. 840 at a gain of 20% and another for R

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Question
A shopkeeper sells one transistor for Rs. 840 at a gain of 20% and another for Rs. 960 at a loss of 4%. His total gain or loss percent is:
Options
A. 5 ¹⁵⁄₁₇ % loss
B. 5 ¹⁵⁄₁₇ % gain
C. 6 ²⁄₃ % gain
D. None of these

Correct Answer

5 ¹⁵⁄₁₇ % gain

Explanation

C.P. of 1^st transistor = Rs.	❨	100	x 840	❩	= Rs. 700.
		120

C.P. of 2^nd transistor = Rs.	❨	100	x 960	❩	= Rs. 1000
		96

So, total C.P. = Rs. (700 + 1000) = Rs. 1700.

Total S.P. = Rs. (840 + 960) = Rs. 1800.

∴ Gain % =	❨	100	x 100	❩%	= 5	15	%
		1700				17

Profit and Loss problems

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1. When a plot is sold for Rs. 18,700, the owner loses 15%. At what price must that plot be sold in order to gain 15%?
Options
A. Rs. 21,000
B. Rs. 22,500
C. Rs. 25,300
D. Rs. 25,800

2. On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:
Options
A. Rs. 45
B. Rs. 50
C. Rs. 55
D. Rs. 60

3. 100 oranges are bought at the rate of Rs. 350 and sold at the rate of Rs. 48 per dozen. The percentage of profit or loss is:
Options
A. 14 ²⁄₇% gain
B. 15% gain
C. 14 ²⁄₇% loss
D. 15 % loss

4. Alfred buys an old scooter for Rs. 4700 and spends Rs. 800 on its repairs. If he sells the scooter for Rs. 5800, his gain percent is:
Options
A. 4 ⁴⁄₇%
B. 5 ⁵⁄₁₁%
C. 10%
D. 12%

5. Some articles were bought at 6 articles for Rs. 5 and sold at 5 articles for Rs. 6. Gain percent is:
Options
A. 30%
B. 33¹⁄₃%
C. 35%
D. 44%

6. A vendor bought toffees at 6 for a rupee. How many for a rupee must he sell to gain 20%?
Options
A. 3
B. 4
C. 5
D. 6

7. A man buys a cycle for Rs. 1400 and sells it at a loss of 15%. What is the selling price of the cycle?
Options
A. Rs. 1090
B. Rs. 1160
C. Rs. 1190
D. Rs. 1202

8. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?
Options
A. 30%
B. 70%
C. 100%
D. 250%

9. A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?
Options
A. Rs. 18.20
B. Rs. 70
C. Rs. 72
D. Rs. 88.25

10. A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is:
Options
A. No profit, no loss
B. 5%
C. 8%
D. 10%
E. None of these

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