Rahul needs 3 litres of water in a jug. I have measuring cups of 1/2 and 1/4 litres only, how many cups of 1/2 litres or 1/4 litres will Rahul need to fill his jug of water?

Answer: he would need either 6 cups whose volume is 1/2 litres per cuo or

he would need 12 cups whose volume is 1/4 litres per cup

Step-by-step explanation:

Total amount of water required to fill the jug is 3 litres. He has measuring cups of 1/2 and 1/4 litres only.

If he decides to fill the jug with only the 1/2 litres cup, the number of 1/2 litres cups that he would need is

3 / (1/2) = 3/0.5 = 6

If he decides to fill the jug with only the 1/4 litres cup, the number of 1/4 litres cups that he would need is

3 / (1/4) = 3/0.25 = 12