Selina Textbook Solutions: Profit, Loss and Discount | Mathematics Class 8 ICSE PDF Download

 Page 1


8. Profit, Loss and Discount 
EXERCISE 8(A) 
Question 1. 
Megha bought 10 note-books for Rs.40 and sold them at Rs.4.75 per note-book. Find, 
her gain percent. 
Solution: 
 
Question 2. 
A fruit-seller buys oranges at 4 for Rs.3 and sells them at 3 for Rs.4 Find his profit 
percent. 
Solution: 
 
 
Page 2


8. Profit, Loss and Discount 
EXERCISE 8(A) 
Question 1. 
Megha bought 10 note-books for Rs.40 and sold them at Rs.4.75 per note-book. Find, 
her gain percent. 
Solution: 
 
Question 2. 
A fruit-seller buys oranges at 4 for Rs.3 and sells them at 3 for Rs.4 Find his profit 
percent. 
Solution: 
 
 
Question 3. 
A man buys a certain number of articles at 15 for Rs. 112.50 and sells them at 12 for 
Rs.108. Find ; 
(i) his gain as percent; 
(ii) the number of articles sold to make a profit of Rs.75. 
Solution: 
 
 
Question 4. 
A boy buys an old bicycle for Rs. 162 and spends Rs. 18 on its repairs before selling the 
bicycles for Rs. 207. Find his gain or loss percent. 
Solution: 
Buying price of the old bicycle = Rs.162 
Page 3


8. Profit, Loss and Discount 
EXERCISE 8(A) 
Question 1. 
Megha bought 10 note-books for Rs.40 and sold them at Rs.4.75 per note-book. Find, 
her gain percent. 
Solution: 
 
Question 2. 
A fruit-seller buys oranges at 4 for Rs.3 and sells them at 3 for Rs.4 Find his profit 
percent. 
Solution: 
 
 
Question 3. 
A man buys a certain number of articles at 15 for Rs. 112.50 and sells them at 12 for 
Rs.108. Find ; 
(i) his gain as percent; 
(ii) the number of articles sold to make a profit of Rs.75. 
Solution: 
 
 
Question 4. 
A boy buys an old bicycle for Rs. 162 and spends Rs. 18 on its repairs before selling the 
bicycles for Rs. 207. Find his gain or loss percent. 
Solution: 
Buying price of the old bicycle = Rs.162 
Money spent on repairs = Rs. 18 
Real C.P. of the bicycle= 162+18 = Rs.180 
S.P. of the bicycle = Rs.207 
Profit = S.P. – C.P. = 207 – 162 = Rs. 45 
 
Question 5. 
An article is bought from Jaipur for Rs. 4,800 and is sold in Delhi for Rs. 5,820. If Rs. 
1,200 is spent on its transportations, etc. ; find he loss or the gain as percent. 
Solution: 
Cost price = Rs. 4,800 
Selling Price = Rs. 5,820 
Transport etc. charges = Rs. 1,200 
Total cost price = Rs, 4,800 + Rs. 1,200 = Rs. 6,000 
Loss = Rs. 6000 – Rs. 5820 = Rs. 180 
 
Question 6. 
Mohit sold a T.V. for Rs. 3,600 ; gaining one-sixth of its selling price. Find : 
(i) the gain 
(ii) the cost price of the T.V. 
(iii) the gain percent. 
Solution: 
S.P. of T.V. = Rs. 3,600 
 
Question 7. 
By selling a certain number of goods for Rs. 5,500; a shopkeeper loses equal to one-
tenth of their selling price. Find : 
(i) the loss incured 
(ii) the cost price of the goods 
Page 4


8. Profit, Loss and Discount 
EXERCISE 8(A) 
Question 1. 
Megha bought 10 note-books for Rs.40 and sold them at Rs.4.75 per note-book. Find, 
her gain percent. 
Solution: 
 
Question 2. 
A fruit-seller buys oranges at 4 for Rs.3 and sells them at 3 for Rs.4 Find his profit 
percent. 
Solution: 
 
 
Question 3. 
A man buys a certain number of articles at 15 for Rs. 112.50 and sells them at 12 for 
Rs.108. Find ; 
(i) his gain as percent; 
(ii) the number of articles sold to make a profit of Rs.75. 
Solution: 
 
 
Question 4. 
A boy buys an old bicycle for Rs. 162 and spends Rs. 18 on its repairs before selling the 
bicycles for Rs. 207. Find his gain or loss percent. 
Solution: 
Buying price of the old bicycle = Rs.162 
Money spent on repairs = Rs. 18 
Real C.P. of the bicycle= 162+18 = Rs.180 
S.P. of the bicycle = Rs.207 
Profit = S.P. – C.P. = 207 – 162 = Rs. 45 
 
Question 5. 
An article is bought from Jaipur for Rs. 4,800 and is sold in Delhi for Rs. 5,820. If Rs. 
1,200 is spent on its transportations, etc. ; find he loss or the gain as percent. 
Solution: 
Cost price = Rs. 4,800 
Selling Price = Rs. 5,820 
Transport etc. charges = Rs. 1,200 
Total cost price = Rs, 4,800 + Rs. 1,200 = Rs. 6,000 
Loss = Rs. 6000 – Rs. 5820 = Rs. 180 
 
Question 6. 
Mohit sold a T.V. for Rs. 3,600 ; gaining one-sixth of its selling price. Find : 
(i) the gain 
(ii) the cost price of the T.V. 
(iii) the gain percent. 
Solution: 
S.P. of T.V. = Rs. 3,600 
 
Question 7. 
By selling a certain number of goods for Rs. 5,500; a shopkeeper loses equal to one-
tenth of their selling price. Find : 
(i) the loss incured 
(ii) the cost price of the goods 
(iii) the loss as percent. 
Solution: 
 
Question 8. 
The selling price of a sofa-set is  times of its cost price. Find the gain or the loss as 
percent. 
Solution: 
 
Page 5


8. Profit, Loss and Discount 
EXERCISE 8(A) 
Question 1. 
Megha bought 10 note-books for Rs.40 and sold them at Rs.4.75 per note-book. Find, 
her gain percent. 
Solution: 
 
Question 2. 
A fruit-seller buys oranges at 4 for Rs.3 and sells them at 3 for Rs.4 Find his profit 
percent. 
Solution: 
 
 
Question 3. 
A man buys a certain number of articles at 15 for Rs. 112.50 and sells them at 12 for 
Rs.108. Find ; 
(i) his gain as percent; 
(ii) the number of articles sold to make a profit of Rs.75. 
Solution: 
 
 
Question 4. 
A boy buys an old bicycle for Rs. 162 and spends Rs. 18 on its repairs before selling the 
bicycles for Rs. 207. Find his gain or loss percent. 
Solution: 
Buying price of the old bicycle = Rs.162 
Money spent on repairs = Rs. 18 
Real C.P. of the bicycle= 162+18 = Rs.180 
S.P. of the bicycle = Rs.207 
Profit = S.P. – C.P. = 207 – 162 = Rs. 45 
 
Question 5. 
An article is bought from Jaipur for Rs. 4,800 and is sold in Delhi for Rs. 5,820. If Rs. 
1,200 is spent on its transportations, etc. ; find he loss or the gain as percent. 
Solution: 
Cost price = Rs. 4,800 
Selling Price = Rs. 5,820 
Transport etc. charges = Rs. 1,200 
Total cost price = Rs, 4,800 + Rs. 1,200 = Rs. 6,000 
Loss = Rs. 6000 – Rs. 5820 = Rs. 180 
 
Question 6. 
Mohit sold a T.V. for Rs. 3,600 ; gaining one-sixth of its selling price. Find : 
(i) the gain 
(ii) the cost price of the T.V. 
(iii) the gain percent. 
Solution: 
S.P. of T.V. = Rs. 3,600 
 
Question 7. 
By selling a certain number of goods for Rs. 5,500; a shopkeeper loses equal to one-
tenth of their selling price. Find : 
(i) the loss incured 
(ii) the cost price of the goods 
(iii) the loss as percent. 
Solution: 
 
Question 8. 
The selling price of a sofa-set is  times of its cost price. Find the gain or the loss as 
percent. 
Solution: 
 
Solution: 
 
Question 10. 
A shopkeeper sells his goods at 80% of their cost price. Find the percent gain or loses ? 
Solution: 
 
Question 11. 
The cost price of an article is 90% of its selling price. What is the profit or the loss as 
percent ? 
Solution: 
Question 9. 
The cost price of an article is  times of its selling price. Find the loss or the gain as 
percent.