NCHMCT JEE 2019 Question Paper with solutions for online practice

Question : 2 of 200

Marks: +1, -0

If the selling price of 50 articles is equal to the cost price of 40 articles then the loss or gain% is:

Solution:

Let 1 article price = ₹ 1
∴ Selling price = ₹ 40
Cost price = ₹ 50
∵ CP > SP
∴ Loss %

={CP-SP}/{CP}×100

={50-40}/50×100

=10/50×100=20%

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