Question

A person got 20%profit by selling 20 items in 60 rupees.how much items did he buys in 60 rupees

Answer 1

let the C.P of the 20 items be 100x
profit is = 120x
120x=60
so x=120/60=1/2
C.P=1/2×100=50
Now 50/20=60/y
now cross multiplication
50y=60×20
y=120/50=2.4