Question

. The cost of an article sold at 20% gain for Rs 360 is

(I) Rs 400 (2) Rs 260 (3) Rs 300 (4) Rs 200​

Answer 1

$c.p. = \frac{100}{100+profit} × S.P.$

$c.p. = \frac{100}{120} × 360$

$c.p. = 100 × 3$

$c.p. = 300$

so the cost price of article is

${\huge{\boxed{\red{300\:rs}}}}$