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

- Ratio & Percentage: Mix it up, mix it up! > Ratio & Percentage Exercise 1 > 4
- Attempting as Guest
- Attempt Mode: Attempt Single Question

**Score :**

(Single Attempt)

**Question
**

A car showroom has 3 types of cars.

They are Mercedes, Bentley and Rolls Royce.

For every 4 Mercedes, there are 5 Bentley cars.

For every 4 Bentley cars, there are 5 Rolls Royce cars.

(a) What is the ratio of the number of Mercedes cars to Bentley cars to Rolls Royce cars ?

(b) The showroom sold 21 Rolls Royce cars and as a result, the percentage of Rolls Royce cars became 33`1/3`% of the total number of cars in the showroom.

How many cars were there in the showroom at first?

(c) How many of these were Bentley cars?

* Notes to students:*

*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**If your answer is a ratio, leave it as a:b*

The correct answer is :

**16:20:25,183,60**