Question

A shopkeeper bought 2 dozen of brushes at the rate of 10 rupees per dozen if he sells them at 1 rupees per brush profit will the earn ?
1)9 Rs
2)7 Rs
3)6 Rs
4)4 Rs
please help me ​

Answer 1

Answer:

4 rs

2 dozen =24brush

each 1 =1*24=24rs

24-20=4rs earn money profit