Question

A tricycle is sold at a gain of 15%.Had it been should her Rs 27 more, the profit would have been 20%.find its cost price.

Answer 1

SP at 15% gain + 27 = SP at 20% gain

=> (115/100)x + 27 = (120/100)x
=> x = 540 INR

Answer 2

here 5%=to 27
because profit went from 15 to 20 and rupess are 27

10%÷54
100%=540=costprize