CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

The average height of 25 boys is 1.4 m. When 5 boys left the group, the average height increased by 0.15m. What is the average height of the boys who left?

A
0.8 m
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
1.1 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
1.2 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1.25 m
No worries! We‘ve got your back. Try BYJU‘S free classes today!
E
None of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 0.8 m
Sum total of heights of the 25 students =25×1.4=35 m
Sum of total of heights of remaining 20 students =20×1.55=31 m
Average height of the 5 boys who left =45=0.8 m

flag
Suggest Corrections
thumbs-up
6
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Average
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon