4. In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay’s speed is:
A. 7.5 kmph
B. 6.25 kmph
C. 5 kmph
D. 6 kmph
4. In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay’s speed is:
A. 7.5 kmph
B. 6.25 kmph
C. 5 kmph
D. 6 kmph