Multiple Choice Questions (MCQs) for Class 10 Mathematics: Profit, Loss and Discount
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Practice Profit, Loss and Discount MCQs for Class 10 Mathematics
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Multiple Choice Questions
(a) 0.1%
(b) 1%
(c) 7%
(d) 10%
Show Answer & Explanation
Answer: (b) 1%
Explanation:
1. Gain = Rs. 0.70 on a cost of Rs. 70
2. Gain % = 0.70/70 × 100 = 1%.
Teacher's Note:
1. Gain percent is always taken on the cost price.
2. Convert paise to rupees before dividing.
(a) 15%
(b) 20%
(c) 25%
(d) 30%
Show Answer & Explanation
Answer: (c) 25%
Explanation:
1. Treat Rs. 2090.42 as the cost price
2. Profit = 2602.58 − 2090.42 = Rs. 512.16
3. Profit % = 512.16/2090.42 × 100 ≈ 24.5%, which is approximately 25%.
Teacher's Note:
1. Use the cost price as the base.
2. Round at the end.
(a) Rs. 400
(b) Rs. 440
(c) Rs. 500
(d) Rs. 550
Show Answer & Explanation
Answer: (c) Rs. 500
Explanation:
1. Let the cost be x; repairs = 0.1x, so the total cost = 1.1x
2. Profit = 20% of 1.1x = 0.22x = 1100, so x = 5000
3. Repairs = 10% of 5000 = Rs. 500.
Teacher's Note:
1. Profit is calculated on the total cost including repairs.
(a) 2 1/4% gain
(b) 10% loss
(c) 12 1/2% loss
(d) 16 2/3% loss
Show Answer & Explanation
Answer: (d) 16 2/3% loss
Explanation:
1. Cost price = 630000 × 100/105 = Rs. 600000
2. At Rs. 500000 the loss = 100000
3. Loss % = 100000/600000 × 100 = 16 2/3%.
Teacher's Note:
1. First find the cost price from the given profit.
(a) 10%
(b) 20%
(c) 25%
(d) 30%
Show Answer & Explanation
Answer: (c) 25%
Explanation:
1. Let CP = 4k and SP = 5k, so profit = k
2. Profit % = k/4k × 100 = 25%.
Teacher's Note:
1. Take the ratio terms as multiples of k.
(a) Rs. 600
(b) Rs. 750
(c) Rs. 800
(d) Data inadequate
Show Answer & Explanation
Answer: (b) Rs. 750
Explanation:
1. Let the cost price be C: 900 − C = 2(C − 450)
2. 900 − C = 2C − 900, so C = 600
3. SP for 25% profit = 600 × 1.25 = Rs. 750.
Teacher's Note:
1. Form an equation from the profit and the loss.
(a) 25%
(b) 33 1/3%
(c) 50%
(d) 66 2/3%
Show Answer & Explanation
Answer: (c) 50%
Explanation:
1. 12 × CP = 8 × SP, so SP = 1.5 CP
2. Gain = 50%.
Teacher's Note:
1. Compare the price of one pen in both cases.
(a) Rs. 650
(b) Rs. 700
(c) Rs. 750
(d) Rs. 800
Show Answer & Explanation
Answer: (d) Rs. 800
Explanation:
1. SP of 18 cots = cost of 18 cots + cost of 3 cots = cost of 21 cots
2. 16800 = 21 × CP, so CP = Rs. 800.
Teacher's Note:
1. The gain equals the cost of 3 cots.
(a) 25.2%
(b) 32.4%
(c) 36.5%
(d) 37.5%
Show Answer & Explanation
Answer: (d) 37.5%
Explanation:
1. Cost = 2 × 16 = Rs. 32
2. 18 bananas at Rs. 12 per dozen = 1.5 × 12 = Rs. 18
3. Remaining 6 bananas at Rs. 4 per dozen = 0.5 × 4 = Rs. 2
4. Total SP = Rs. 20, loss = 12, loss % = 12/32 × 100 = 37.5%.
Teacher's Note:
1. Convert the number of bananas into dozens.
(a) 5
(b) 8
(c) 10
(d) 15
Show Answer & Explanation
Answer: (b) 8
Explanation:
1. SP per toffee = 1/12 = 0.8 CP, so CP = 1/9.6 rupee
2. For 20% gain, SP = 1.2/9.6 = 1/8 rupee per toffee
3. He should sell 8 toffees for a rupee.
Teacher's Note:
1. Find the cost of one toffee first.
(a) Rs. 14.80
(b) Rs. 15.40
(c) Rs. 16.38
(d) Rs. 18.20
Show Answer & Explanation
Answer: (c) Rs. 16.38
Explanation:
1. Total cost = 30 × 11.50 + 20 × 14.25 = 345 + 285 = Rs. 630 for 50 kg
2. CP per kg = 12.60
3. SP per kg = 12.60 × 1.3 = Rs. 16.38.
Teacher's Note:
1. Find the average cost of the mixture first.
(a) 20%
(b) 16 2/3%
(c) 25%
(d) None of these
Show Answer & Explanation
Answer: (c) 25%
Explanation:
1. He gives 800 g for the price of 1000 g
2. Gain = 200 g on a cost of 800 g, so profit = 200/800 × 100 = 25%.
Teacher's Note:
1. The cost is that of the goods actually given.
(a) X loses Rs. 1350
(b) X gains Rs. 3150
(c) X loses Rs. 4350
(d) X gains Rs. 4350
Show Answer & Explanation
Answer: (b) X gains Rs. 3150
Explanation:
1. X sells to Y for 150000 × 1.05 = Rs. 157500
2. Y sells back for 157500 × 0.98 = Rs. 154350
3. X received 157500 and paid 154350, so X gains Rs. 3150.
Teacher's Note:
1. Track the money received and paid by X.
(a) Rs. 50
(b) Rs. 160
(c) Rs. 200
(d) Rs. 225
Show Answer & Explanation
Answer: (c) Rs. 200
Explanation:
1. The extra gain is 350 − 340 = Rs. 10
2. This is 5% of the cost, so the cost = 10 × 100/5 = Rs. 200.
Teacher's Note:
1. The extra rupees correspond to the extra percentage.
(a) Rs. 1240
(b) Rs. 1400
(c) Rs. 1600
(d) Rs. 1440
Show Answer & Explanation
Answer: (d) Rs. 1440
Explanation:
1. Profit = 240 = 20% of CP, so CP = Rs. 1200
2. SP = 1200 + 240 = Rs. 1440.
Teacher's Note:
1. Profit % is on the cost price.
(a) 12%
(b) 17%
(c) 18%
(d) 20%
Show Answer & Explanation
Answer: (c) 18%
Explanation:
1. Overall gain = 2/3 × 20 + 1/3 × 14 = 13 1/3 + 4 2/3 = 18%.
Teacher's Note:
1. Weight each gain percent by the fraction of stock.
(a) 10,000
(b) 12,000
(c) 15,000
(d) 20,000
Show Answer & Explanation
Answer: (c) 15,000
Explanation:
1. Let the value be V: profit = 2V/3 × 0.05 − V/3 × 0.02 = V(0.1 − 0.02)/3 = 0.08V/3
2. 0.08V/3 = 400, so V = 15000.
Teacher's Note:
1. The loss on the remainder reduces the profit.
(a) 100y/(100 − x)
(b) 100y/(1 − x)
(c) 100y/(1 − x/100)
(d) None of these
Show Answer & Explanation
Answer: (a) 100y/(100 − x)
Explanation:
1. SP = list price × (100 − x)/100
2. List price = 100y/(100 − x).
Teacher's Note:
1. Discount is on the list price.
(a) Rs. 70.10
(b) Rs. 70.20
(c) Rs. 72
(d) Rs. 72.20
Show Answer & Explanation
Answer: (d) Rs. 72.20
Explanation:
1. SP = 80 × 0.95 × 0.95 = 80 × 0.9025 = Rs. 72.20.
Teacher's Note:
1. Successive discounts multiply and are not simply added.
(a) 45 : 56
(b) 50 : 61
(c) 55 : 69
(d) 99 : 125
Show Answer & Explanation
Answer: (a) 45 : 56
Explanation:
1. SP = 0.9 × printed price = 1.12 × CP
2. CP : printed price = 0.9 : 1.12 = 90 : 112 = 45 : 56.
Teacher's Note:
1. Express the SP in two ways.
(a) Rs. 45
(b) Rs. 50
(c) Rs. 55
(d) Rs. 60
Show Answer & Explanation
Answer: (d) Rs. 60
Explanation:
1. Loss = 5 × CP, so SP of 17 balls = 17 CP − 5 CP = 12 CP
2. 12 CP = 720, so CP = Rs. 60.
Teacher's Note:
1. SP = CP − loss.
(a) 10%
(b) 20%
(c) 21%
(d) 22%
Show Answer & Explanation
Answer: (c) 21%
Explanation:
1. CP per pencil = 20/22 and SP per pencil = 1.1
2. Profit % = (1.1 − 20/22)/(20/22) × 100 = (1.21 − 1) × 100 = 21%.
Teacher's Note:
1. Compare the price of one pencil in each case.
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Multiple Choice Questions (MCQs) for Class 10 Mathematics Profit, Loss and Discount
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FAQs
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