Question

I purchased a watch for₹330 and sold it at a loss 20% find sp of the watch

Answer 1

cp= rs 330
l% =20
l= cp-sp/cp×100
20= 330-sp/ 330 ×100
660= 330 -sp×100

Answer 2

$\huge\bold\blue{H}\pink{E}\green{y}$

c.p.=₹330

20% of 330

$\frac{20}{100} \times 330$

$= 66$

therefore s.p.=₹330-66

$= > sp = 264$