Question

On selling a t. V set for rs 24000 a dealer loses 20% for how much should he sell it to gain 10%

Answer 1

Let the CP be x.
x-20%x=24000
x-20/100x=24000
(100x-20x)/100=24000
80x=2400000
x=30000

Profit%=10%
Profit=10% of 30000
=10/100×30000
=3000
New SP=30000+3000
=33000