Question

a dealer buys a sofa set at rs 21600 and sell at a gain of 10%.. what did his gain

Answer 1

gain is..
10℅of ₹21600 ie ₹2160

Answer 2

$\huge \sf\red{Answer:-}$

selling price:- 21600

Gain:-5%

Cost price:-??

$→ \small \tt {cp = 100by100 \ + 8 \times 21600}$

$→ \small \tt{cp = 100by108 \ \times 21600}$

$→\small \tt{cp = 2160000by108}$

$→ \small \tt{cp = 20000}$←Ans

hopes it helps!!...