Question
How many minutes does Aditya take to cover a distance of 400 m. if he runs at a speed of 20 km/hr ?
Answer: Option D
Was this answer helpful ?
Aditya 's speed = 20 m/hr. = `(20 xx 5/16)` m/sec = `50/9` m/sec.
`:.` Time taken to cover 400 m = `(400 xx 9/50)` sec
= 72 sec. = `1 12/60` min.
= ` 1 1/5` min.
Was this answer helpful ?
More Questions on This Topic :
Question 5.
A train train when moves at an average speed....
Question 9.
A and B walk around a circular track.
They....
Latest Videos
Latest Test Papers
Submit Solution