Question
P5.ST.JC.18121199-A1
There are 6 boys and some girls.
The total height of the children is 1430 cm.
The average height of the 6 boys is 139 cm.
The average height of the girls is 149cm.
How many girls are there?
3 m
∑

Click ∑ button first when a symbol is required. X

Symbols

Enter the numerator and denominator


Enter value


2
Question Solution

1-minute grace period



When you click the Next button, you will be given 1-minute grace period to decide whether to do the next question type.

The question will be marked as incorrect if you exceed 1 minute and leave the question page.

Click the Back button instead if you would like to return to the topic page.

STUDENT

Primary 5 STRATEGIES P5.ST.JC.18121199

16 May 2024, 04:04 AM

There are 6 boys and some girls.
The total height of the children is 1430 cm.
The average height of the 6 boys is 139 cm.
The average height of the girls is 149cm.
How many girls are there?
Navigations
Contact Us
Members
Links