Discount
 If a discount of 20% on the marked price of a shirt saves a man Rs. 150, how much did he pay for the shirt ?

 ₹ 600
 ₹ 650
 ₹ 500
 ₹ 620

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Given Here , discount = 20% and Saved money = Rs. 150
Let the marked price of the shirt be Rs. y.
According to the question,y × 20 = 150 100
Correct Option: A
Given Here , discount = 20% and Saved money = Rs. 150
Let the marked price of the shirt be Rs. y.
According to the question,y × 20 = 150 100 ⇒ y = 150 × 100 = 750 20
∴ Price paid = ₹ (750 – 150) = ₹ 600
 A trader marked the price of his commodity so as to include a profit of 25%. He allowed discount of 16% on the marked price. His actual profit was :

 5%
 9%
 16%
 25%

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Here , profit = 25%
Let the C.P. be ₹ 100
∴ Marked price = ₹ 125
S.P. = ( 100  16 )% of 125S.P. = 84% of 125 = 84 × 125 = ₹ 105 100
Correct Option: A
Here , profit = 25%
Let the C.P. be ₹ 100
∴ Marked price = ₹ 125
S.P. = ( 100  16 )% of 125S.P. = 84% of 125 = 84 × 125 = ₹ 105 100
∴ Profit = ₹ (105 – 100) = ₹ 5∴ Profit percent = 5 × 100 = 5% 100
 A sells a scooter priced ₹ 36,000. He gives a discount of 8% on the first ₹ 20,000 and 5% on the next ₹ 10,000. How much discount can he offered on the remaining ₹ 6,000 if he is to get as much as when 7% discount is allowed on the total ?

 5%
 6%
 7%
 8%

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As per the given in question ,
SP of scooter = ₹ 36,000 , discount = 7%Discount on ₹ 36000 = 36000 × 7 = ₹ 2520 100 Discount on first ₹ 20,000 = 20,000 × 8 = ₹ 1600 100 Discount on next ₹ 10,000 = 10,000 × 5 = ₹ 500 100
∴ Discount on remaining ₹ 6,000 = 2520 – (1600 + 500) = ₹ 420
Correct Option: C
As per the given in question ,
SP of scooter = ₹ 36,000 , discount = 7%Discount on ₹ 36000 = 36000 × 7 = ₹ 2520 100 Discount on first ₹ 20,000 = 20,000 × 8 = ₹ 1600 100 Discount on next ₹ 10,000 = 10,000 × 5 = ₹ 500 100
∴ Discount on remaining ₹ 6,000 = 2520 – (1600 + 500) = ₹ 420∴ Required percent = 420 × 100 = 7% 6000
 A tradesman gives 4% discount on the marked price and gives 1 article free for buying every 15 articles and thus gains 35%. The marked price is increased above the cost price by

 40%
 39%
 50%
 20%

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Let the C.P. of each article be ₹ 1
For 15 books, the tradesman gives 1 book free.
∴ C.P. of 15 books = ₹ 16
gains = 35%∴ S.P. of 15 books = 16 × 135 = ₹ 108 100 5 ∴ S.P. of 15 book = 108 = ₹ 36 5 × 15 25 Now, 96% of marked price = 36 25
Correct Option: C
Let the C.P. of each article be ₹ 1
For 15 books, the tradesman gives 1 book free.
∴ C.P. of 15 books = ₹ 16
gains = 35%∴ S.P. of 15 books = 16 × 135 = ₹ 108 100 5 ∴ S.P. of 15 book = 108 = ₹ 36 5 × 15 25 Now, 96% of marked price = 36 25 ∴ Marked price = 36 × 100 = 3 = ₹ 1.5 25 × 96 2
Total increase = 1.5  1 = ₹ 0.5∴ The required % increase = 0.5 × 100 = 50% 1
 A shopkeeper sells his goods at 10% discount on the marked price. What price should he mark on an article that costs him ₹ 900 to gain 10% ?

 ₹ 1275
 ₹ 1250
 ₹ 1175
 ₹ 1100

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Given that , C.P. of article = ₹ 900
Gain = 10%∴ S.P. = ₹ 110 × 900 = ₹ 990 100
discount = 10%
Let the marked price be y.∴ 90 y = 990 100 ∴ y = 990 × 100 = ₹ 1100 90
Second method to solve this question :
Here, D = 10%, C.P. = ₹ 900, R = 10%, M.P. = ?
Using the given formula ,M.P. = 100 + r C.P. 100 − D
Correct Option: D
Given that , C.P. of article = ₹ 900
Gain = 10%∴ S.P. = ₹ 110 × 900 = ₹ 990 100
discount = 10%
Let the marked price be y.∴ 90 y = 990 100 ∴ y = 990 × 100 = ₹ 1100 90
Second method to solve this question :
Here, D = 10%, C.P. = ₹ 900, R = 10%, M.P. = ?
Using the given formula ,M.P. = 100 + r C.P. 100 − D M.P. = 100 + 10 900 100 − 10 M.P. = 110 × 900 90
M.P. = ₹ 1100