## Discount

#### Discount

1. A housewife saved ₹ 2.50 in buying a dress on sale. If she spent ₹ 25 for the dress, approximately how much per cent she saved in the transaction?
1. 8%
2. 9%
3. 10%
4. 11%

1. The housewife spends ₹ 25 and saves ₹ 2.50.
i.e., She pays 25 for a dress of ₹ 27.50.

 ∴  % Saving = 2.50 × 100 ≈ 9%(app.) 27.50

##### Correct Option: B

The housewife spends ₹ 25 and saves ₹ 2.50.
i.e., She pays 25 for a dress of ₹ 27.50.

 ∴  % Saving = 2.50 × 100 ≈ 9%(app.) 27.50

1. A discount of 15% on one article is the same as discount of 20% on a second article. The costs of the two articles can be :
1. ₹ 85, ₹ 60
2. ₹ 60, ₹ 40
3. ₹ 40, ₹ 20
4. ₹ 80, ₹ 60

1. Check through options

 15% of 80 = 80 × 15 = 12 100

 and 20% of 60 = 60 × 20 = ₹ 12 100

Therefore, 15% of 80 and 20% of 60 are same. Hence the cost prices should be ₹ 80 and ₹ 60.

##### Correct Option: D

Check through options

 15% of 80 = 80 × 15 = 12 100

 and 20% of 60 = 60 × 20 = ₹ 12 100

Therefore, 15% of 80 and 20% of 60 are same. Hence the cost prices should be ₹ 80 and ₹ 60.

1. Peter bought an item at 20% discount on its original price. He sold it with 40% increase on the price he bought it. The new sale price is greater than the original price (in per cent) by
1. 10
2. 8
3. 7.5
4. 12

1. Let the original price of item be Rs. 100.
C.P. for Peter = Rs. 80

 S.P. for Peter = Rs. 80 × 140 = Rs. 112 100

 ∴  Required per cent = (112 − 100) × 100 = 12% 100

##### Correct Option: D

Let the original price of item be Rs. 100.
C.P. for Peter = Rs. 80

 S.P. for Peter = Rs. 80 × 140 = Rs. 112 100

 ∴  Required per cent = (112 − 100) × 100 = 12% 100

1. What was the rate of discount if a computer with marked price ₹ 30,000 was sold for ₹ 28,000 ?
1. 20%
2.  7 1 % 2
3.  6 2 % 3
4. 15%

1. Discount
= Rs. (30000 – 28000)
= Rs. 2000
If the rate of discount be x%, then

 30000 × x = 2000 100

⇒  300x = 2000
 ⇒  x = 2000 = 20 = 6 2 % 300 3 3

##### Correct Option: C

Discount
= Rs. (30000 – 28000)
= Rs. 2000
If the rate of discount be x%, then

 30000 × x = 2000 100

⇒  300x = 2000
 ⇒  x = 2000 = 20 = 6 2 % 300 3 3

1. A photographer allows a discount of 10% on the advertised price of a camera. The price (in Rs.) that must be marked on the camera, which cost him Rs. 600, to make a profit of 20% would be
1. 650
2. 800
3. 700
4. 850

1. Let the marked price of camera be Rs. x.
According to the question,
(100 – 10)% of x = 120% of 600
⇒  x × 90 = 600 × 120

 ⇒  x = 600 × 120 = Rs. 800 90

##### Correct Option: B

Let the marked price of camera be Rs. x.
According to the question,
(100 – 10)% of x = 120% of 600
⇒  x × 90 = 600 × 120

 ⇒  x = 600 × 120 = Rs. 800 90