एक नाव 24 km 12 km/h पर जाती है और 8 km/h पर वापस आती है। कुल यात्रा समय?
A4 घंटे
B3 घंटे
C5 घंटे
D6 घंटे
Answer & Solution
Correct answer: C. 5 घंटे
बाहर की यात्रा में 24 ÷ 12 = 2 घंटे लगते हैं और वापसी में 24 ÷ 8 = 3 घंटे लगते हैं, कुल 5 घंटे।
Keep practising Time, Speed and Distance
Browse all Time, Speed and Distance questions for RPF Constable, or explore more Arithmetic topics.
Related questions
Motion: combine the cluesMotion: choose the resultA boat’s still-water speed is 12 km/h. It covers 30 km downstream and 18 km upstream in 4 A 120 m train at 54 km/h overtakes a 180 m train moving the same way in 60 s. Slower trainTwo runners start together on a 400 m circular track at 5 and 3 m/s in the same direction.In a 200 m race A beats B by 20 m. A runs at 10 m/s. What is B’s speed?A boat moves at 12 km/h in still water; the stream is 3 km/h. Time for 27 km downstream anTrains 180 m and 220 m long move oppositely at 54 and 36 km/h. Time to cross completely?