wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A certain distance is covered at a certain speed. If half the distance is covered in double the time, the ratio of the two speeds is

A
4:1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
1:4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2:1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1:2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 4:1
Let x km be covered in y hours.
Then, speed =xy km/hr
In the second case, x2 km is covered in 2y hours.
New speed =(x2×12y)km/hr=x4ykm/hr
Ratio of speeds =xy:x4y=1:14=4:1.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction to Fraction and Ratios
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon