Question
P6.DA.NK.21060938-A2
PSLE
The average height of a group of boys was 146.5 cm. When Mr Kok measured and recorded the height of these boys, he wrongly recorded one child's height as 104 cm when it should have been 140 cm. As a result, Mr Kok calculated the average height as 143.5 cm. How many boys were there in the group?
2 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 6 DATA ANALYSIS P6.DA.NK.21060938

01 Jul 2024, 12:53 AM

PSLE
The average height of a group of boys was 146.5 cm. When Mr Kok measured and recorded the height of these boys, he wrongly recorded one child's height as 104 cm when it should have been 140 cm. As a result, Mr Kok calculated the average height as 143.5 cm. How many boys were there in the group?
Navigations
Contact Us
Members
Links