Question

Aman buys some pencils of one kind at3 for 3 rupees and an equal number of pencils at 4 for 6 rupees . He sells them at 6 for 8 rupees find his gai n or loss %​

Answer 1

1. gain =
2. $100 + gain\% \div 100$
3. $6 + 8\% \div 100 = 0.0048$