Question

The cost of 4 dozen bananas is $Rs.60.$ How many bananas can be purchased for $Rs.2.50$?

Answer 1

No. of bananas purchased for $Rs.60=4$ dozen $=4\times 12=48$ [$1$ dozen $=12$ pieces]
No. of bananas purchased for $Re.1.00=\frac{48}{60}$

No. of bananas purchased for $Rs.12.50=\frac{48}{60}\times 12.50=10$ bananas