ICOME
    FOLLOW US: facebook twitter instagram youtube
JOIN ICOME
JOIN ICOME
JOIN ICOME

Discount

Theory and Formula


Question


Q1. The market price of a table is Rs.480.The shopkeeper allows a discount of 10% and gains 8% If no discount is allowed,find his gain percent.

Solution.
10%
Solution

Q2. Discount of 15% on a commodity is equal to the discount of 20% on other commodity. find the values of both commodities.

(a) Rs 85, Rs 60 (b) Rs 80, Rs 60 (c) Rs 60, Rs 40 (d) Rs 40, Rs 20

Solution.
(b) Rs 80, Rs 60

15% of x = 20% of y

(15/100)x = (20/100)y

3x = 4y

x/y = 4/3

x:y = 4:3
Solution

Q3. A trader bought a T.V at 20% discount on its original price. He sold it at a 40% increase on the price he bought it . What percentage of profit did he make on the original price.

(a) 16% (b) 12% (c) 13% (d) 15%

Solution.
percentage of profit = a + b + ab/100

= 40 - 20 - 800/100

= 12%
Solution

Q4. Find a single discount which is equivalent to two discounts of 10% and 20% .

(a) 30% (b) 21% (c) 15% (d) 28%

Solution.
[r1 + r2 - (r1.r2)/100]%

[10 + 20 - (10 x 20)/100]%

= [30 - 200/100]%

= 28%
Solution

Q5. The list price of an article is Rs 480 after giving 10% discount, shopkeeper get 8% profit . If shopkeeper will not allow discount , then find the percent profit .

(a) 12% (b) 20% (c) 10% (d) 16%

Solution.
(b) 20%
Solution

Q6. On Rs.1000 Trader A gives 40% and trader B allows 30% and 10% . Two consecutive discounts, find the difference value of both the discounts.

(a) 30 (b) 40 (c) 50 (d) 20

Solution.
(a) 30
Solution

Q7. A trader's list price is 20% more than the CP . He allowed 5% discount on list price . find the profit percent .

(a) 7% (b) 14% (c) 21% (d) 28%

Solution.
(b) 14%
Solution

Q8. A trader's gives 10% discount on list price . He want to earn 17% profit . What percentage he should hike on list value to the same .

(a) 14% (b) 20% (c) 10% (d) 30%

Solution.
(d) 30%
Solution

Q9. A shopkeeper gives 10% discount on watch , whose listed price is Rs.1100, Apart from this the shopkeeper gets profit of 10%. Find the cost price of a watch .

(a) Rs.400 (b) Rs.900 (c) Rs.700 (d) Rs.600

Solution.
(b) Rs.900
Solution

Q10. Find an equivalent single discount of three . Consecutive discounts 10%, 20%, 40% .

(a) 38.2% (b) 70% (c) 56.8% (d) 10%

Solution.
(c) 56.8%
Solution