FREE Video Lesson Worth $20! Access 10000 Questions From P1 to P6! Access 300 Hours of Video Explanations! Video Tutorials to Tough PSLE Questions!

Or use your Email address

### Primary 6 Problem Sums/Word Problems - Try FREE

- Speed: Getting there! > Speed Exercise 28 > 1
- Attempting as Guest
- Attempt Mode: Attempt Single Question

**Score :**

(Single Attempt)

**Question
**

Charlie walked up some steps and ran 12 steps up a flight of steps in 182 s.

In an identical flight of steps , he walked up some steps and ran 26 steps up in 140 s.

(a) How much shorter is the duration of a running step compared to the duration of a walking step?

(b) How long would Charlie take to walk up 4 flights of identical steps?

*Notes to student:*

*If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12*

The correct answer is :

**3,872**