A can walk a certain distance in 10 days when he rests 9 hours a day. How long will he take to walk twice the distance, twice as fast and rest twice as long each day ?
A person leaves a place A to place B at 6 a.m. and reaches place B at 10 a.m. Another person leaves B at 7.30 a.m. and reaches A at 11 a.m. They will meet each other at
A can walk a certain distance in 20 days when he rests 8 hours a day. How long will he take to walk twice the distance, twice as fast and rests twice as long each day ?
There is a hill behind a person’s house. He walks up the top of the hill at a speed of 1$\frac{1}{2}$ km/hour, but walks down it at 4 $\frac{1}{2}$ km/ hour. If it takes him 6 hours for the entire journey, the distance, in km, from his house to the top of the hill is
Train-A crosses a pole in 33 seconds and another Train-B crosses a pole in 55 seconds. Length of Train-A is three-fourth of Train-B. What is the respective ratio between the speed of Train-A and Train-B ?
