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1 mark

If the selling price of 10 chairs is the same as the cost price of 8 chairs, find the loss percentage.

  1. A
    22%
  2. B
    18%
  3. C
    20%
  4. D
    15%

Solution & Step-by-step Explanation

Given:
10×SP=8×CP
Rearranging the terms to find the ratio of CP to SP:

CP
SP
​
=
10
8
​
=
5
4
​

Let CP=5 and SP=4.

Since CP>SP, there is a loss:

Loss=CP−SP=5−4=1
The loss percentage is:

Loss %=(
CP
Loss
​
)×100
Loss %=(
5
1
​
)×100=20%

Practice this question

Try it yourself before checking the explanation above.

If the selling price of 10 chairs is the same as the cost price of 8 chairs, find the loss percentage.
A
22%
B
18%
C
20%
D
15%

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