Question

a shopkeeper sold an article at a gain of 10%had he sold for rs 45 less he would have lost 5%find the cp of the article​

Answer 1

Let cp. be=x

at 10% gain, sp of article =x+(10/100)x

=10x

if he had sell it less than R.S. 45 he would have 5%loss

x-(5/100)x=1.05x

given that, 10x-1.05x=45

=1.5x=45

=x=.3