"The cost of 4 dozen papers is Rs. 24. The cost of 1 score of papers (in
Channel: Doubtnut
Date: 2020-04-05

"The cost of 4 dozen papers is Rs. 24. The cost of 1
 score of papers (in rupees) is..
`40`
b. `20`
c. `10`
d. `42`"