Question

if 5%is gained by selling an article for rs 350 than selling it for rs 340 what is the cost of the article
$gain = sp - cp$
$loss = cp - sp \\ gain\% = gain \div cp \times 100 \\ loss\% = loss \div cp \times 100$

Answer 1

c.p=100/(100+gain%)*s.p
= 100/(100+5%)*350
=Rs333.334