Question

A sells a bicycle to B at profit of 20% and B sella to C at profit of 5%. If C pays Rs 3780 what did A pay for it

Answer 1

If c pays 3780
then b = 5%*3780
=5/100*3780
=189
so 3780-189
=3591
so b pays 3591

now a=20% of b
=20% * 3591
=20/100*3591
=718.2
so a = 3591-718.2
=2872.8