SP002 Maths Paper 2 – Question 07

Water flowed out of a large tank through tap X and tap Y when they are turned on.
Ben first turned on tap X.
After some time, he also turned on tap Y so that more water flowed out.
After a while, he turned off both taps at the same time.
The line graph shows the volume of water in the tank from 12 00 to 12 20.

(a) What was the rate of flow of water from tap X in litres per minute?

Ans: (a) ______________ [1]

(b) What was the rate of flow of water during the period when both taps were turned on?

Ans: (b) ______________ [1]

(c) What was the rate of flow of water from tap Y in litres per minute?

Ans: (c) ______________ [2]