Math Quiz on Speed and Distance
Ans: 5 sec
Q2. If a 250 m long train crosses a platform of the same length as that of the train in 25 sec, then the speed of the train is –
Ans: 72 km/h
Q3. Abhinav leaves Mumbai at 6 am and reaches Bangalore at 10 am Praveen leaves Bangalore at 8 am and reaches Mumbai at 11:30 am. At what time do they cross each other?
Ans: 8:56 am
Q4. Walking at 3/4 of her normal speed Manya takes 2 hours more than normal time. What is the normal time?
Ans: 6 hours
Q5. A man reduces his speed from 20 km/h to 18 km/h. So, he takes 10 minutes more than the normal time. What is the distance travelled by him?
Ans: 30 km
Q6. If Rahul had walked 20 km/h faster he would have saved 1 hour in the distance of 600 km. What is the usual speed of Rahul?
Ans: 100 km/h
Q7. Harsha takes 3 hours more than Bharat, who drives his car 5 km/h faster than Harsha drives, to cover 180 km distance. What is the speed of Harsha?
Ans: 20 km/h
Q8. A is twice fast as B and B is thrice as fast as C. The journey covered by C in 78 minutes then time taken by A to cover the same journey is-
Ans: 13 min
Ans: 1 hour
Q10. Two trains are travelling in the same directions at 22.5 km/h and 7.5 km/h respectively. The faster train crosses a man in the slower in 18 sec. What is the length of the faster train?
Ans: 75 m