Question

4. Answer the following questions.
a) Rahul buys 3 types of balls. Type 1 costs 10 each, Type 2
Type 3 costs 5 each. What is the least number balls of each types
so that he spends an equal amount on each type of ball?​

Answer 1

10x = 8y = 8z

x:y:z = 4 :5:5

so 4 is the least no of balls