You can now view questions, answers, 100's of hours of video explanations and step-by-step worked solutions for FREE!
Sign up/Login if you wish to track your progress!

Primary 5 Problem Sums/Word Problems - Try FREE

Score :
(Single Attempt)


Need dedicated, 1-1 help?
PSLE A* 2020 1-1 Tuition By Mr SingaporeMathGuru Results Guaranteed!*
Click here to learn more

A ball was dropped vertically downwards from the top of a crane at a height of 160 m .

Each time the ball hit the ground, it bounced vertically upwards to `1/4` of the height from which it had fallen previously.

What is the total distance that the ball had moved in air by the time it hit the ground for the third time?

The correct answer is : 260