Answer:
A. 75
Step-by-step explanation:
To find the cost of five balls based on the given information, we need to determine the cost of one ball first.
We take
45 ÷ 3 = 15
Now that we know the cost of one ball is Rs. 15, we can calculate the cost of five balls:
15 · 5 = 75
So, the answer is A. 75.