NCHMCT JEE 2019 Question Paper with solutions for online practice

Question : 18 of 200

Marks: +1, -0

A vendor bought 5 buttons for a rupee. How many for a rupee must he sell to gain 25%?

Solution:

Cost price of one button

=₹1/5

Selling price to gain 25%

=₹1/5×125/100=1/4

∴ 4 buttons he should sell for a rupee to gain 25%.

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