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CBSE Class 8 Answered

David bought 100 erasers for Rs.250. He was not very good at calculation and made a mistake in fixing his selling price. When he sold his erasers, he incured a loss equal to the selling price of 25 erasers. Find his loss percent?
Asked by jaiswalsindhuli717 | 10 Sep, 2018, 16:09: PM
answered-by-expert Expert Answer
 
Given:
Cost price of 100 erasers = Rs. 250
Let,
the selling price of one eraser = x
Total selling price = 100x
Total loss = selling price of 25 erasers = 25x
We know that,
Loss = C.P - S.P 
 25x =250 - 100x 
125x = 250
x = 2
Loss = 25x = 25 × 2 = 50 
Loss percent = begin mathsize 16px style fraction numerator Loss over denominator straight C. straight P space end fraction space cross times space 100 space equals space 50 over 250 space cross times space 100 space equals space 20 percent sign end style
Answered by Yasmeen Khan | 11 Sep, 2018, 10:57: AM

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