Question

Sahil makes a 10% profit by selling a fan costing him rupees 120 what is the selling price

Answer 1

let the selling price is x
then
10% of x + x = 120
x/10 + x = 120
11x/10 =120
x = 1200/11
x = 109.09 rupees

Answer 2

heyy.
your solution is as follows.
#**selling price of a fan=Cost price(+/-) {profit/loss}**#
so here profit is present so .
---->SP=CP+Profit.
------->SP =120+(120/100)*10.
----------->SP=132