1.

A person travelled 2560 km partly by aeroplane, partly by ship and rest by car. The time taken by aeroplane, ship and car are in the ratio 1: 4:5 and the ratio of average speed by all three means is 20:1 : 8. If average speed in whole trip is 64 km/hr then find the speed of ship, time taken by ship and distance travelled by ship.

Answer»

10 km/hr, 16 hr, 160 km
20 km/hr, 12 hr, 150 km
30 km/hr, 18 hr, 140 km
23 km/hr, 17 hr, 120 km

Answer :A


Discussion

No Comment Found