Rocky can walk a certain distance in 40 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 walks a distance in 114 days, when he rests 9 hours a day. How long will he take to walk twice the distance if he walks twice as fast and rests twice as long each day as before ?

A man walks 110m in a minute.How long will he take to walk 26.4km ?

If a man walks 16 km in 5 hours, how long would he take to walk 11.2 km?

A man takes 5 minutes to cover a certain distance at a speed of 6 km/h. If he walks with a speed of 10 km/h, how long will he take to cover the same distance?

A man walks a certain distance and rides bak in 6(1)/(4) h. he can walk both ways in 7(3)/(4) h. how long it would take to ride both ways ?

A and B can finish a piece of work in 12 days, B and C in 15 days shile C and A in 20 days. How long will they take to finish it together ? How long will each take to finish the work alone ?