The ratio of speeds of X and Y is 5 : 7. Y covers a distance of 420 km in 3 hours. What is speed of X?
A. 80 kmph
B. 90 kmph
C. 100 kmph
D. 110 kmph
1
C
2
A
3
D
4
B
The ratio of speeds of X and Y is 5 : 7. Y covers a distance of 420 km in 3 hours. What is speed of X?
A. 80 kmph
B. 90 kmph
C. 100 kmph
D. 110 kmph