Question

3.) By selling an article for 900; a man gains
20%. Find his cost price and the gain.​

Answer 1

Answer:

by selling an article for 900,he gains 20%,

that means,120%---->900,

then,100%----->X,

X=(900/120)*100=750,

therefore,cost price is 750 rupees, and the gain is 150 rupees.