Question

Cost of 4 dozen bananas is Rs 180. How many bananas can be purchased for Rs 90?

Answer 1

Numbers of bananas bought in Rs 180 = 4 dozens $=4\times 12=48$
Number of bananas bought in Rs $1=\frac{48}{180}$
Therefore, number of bananas bought in $Rs90=\frac{48}{180}\times 90=24\text{bananas}$
Thus, 24 bananas can be purchased for Rs 90.