6.
Due to stiff competition and slump in demand a man sells an article at a loss of 5% for Rs 38. If he increases the selling price to Rs 44, what is his percentage of gain?
• A.
9%
• C.
10%
• B.
18%
• D.
13%
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Explanation :
Selling Price = Rs. 12,500; Loss = Rs. 2,500
Hence, CP = Sp + loss = 15000
So, loss per cent =
 2500 15000
x 100 = 16.66 per cent
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7.
Mr. Nikil sells his new music system for Rs. 12,500 incurring a loss of Rs. 2,500, because he was going abroad. What is the loss percentage?
• A.
16.66
• C.
18.88
• B.
14.16
• D.
12.36
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Explanation :
Selling Price = Rs. 12,500; Loss = Rs. 2,500
Hence, CP = Sp + loss = 15000
So, loss per cent =
 2500 15000
x 100 = 16.66 per cent
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8.
An off-season discount of x percent is being offered at the discount store. An additional 12.5 per cent discount is given if the value of purchase is more than Rs. 500. After the discount, a person pays Rs. 525 for a jeans whose list price is Rs 750. What is x?
• A.
20
• C.
24
• B.
30
• D.
22
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Explanation :
We can solve the problem by applying the formula a = b +
 ab 100

The net discount = 30 per cent. (List price = Rs. 750; selling Price = Rs. 525)
So, x + 12.5 -
 12.5x 100
= 30. Solving for x , we get x = 20
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9.
A cloth dealer professes to sell cotton at cost price, but uses a metre having a length of 80 cm only and charges for the metre. Find his gain per cent.
• A.
25%
• C.
40%
• B.
30%
• D.
None of these
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Explanation :
True measure = 100 cm.
False measure = 80 cm. Also, x = 0.
Overall gain % is given by

 100 + g 100 + x
=
 True measure False measure

 100 + g 100
=
 100 80

100 + g
 100 x 100 80

g
 1000 8
- 100 = 25%
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10.
A man bought a number of bananas at 5 for a rupee and an equal number at 8 for a rupee. At what price per dozen should he sell them together to make a profit of 25% (approximately)?
• A.
2.45
• C.
2.99
• B.
2.56
• D.
2.18
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Explanation :
The CP of first variety of bananas = 5 for Re 1
CP of 1 dozen =
 12 5

The CP of second variety of  bananas = 8 for Re 1
CP of 1 dozen =
 12 8

CP of two dozens =
 12 5
+
 12 8
= Rs
 156 40

SP of 2 dozens =
 156 40
x
 125 100
=
 39 8

SP of 1 dozen =
 39 8 x 2
= Rs 2.45
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