self Maths Puzzle

Two cyclist A and B cover a certain distance. A reaches to the destination one hour before B. Even if B had given a start of 5 km, he would have reached 10 minutes late. Find the speed of B.

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self Other Question

Two cyclist A and B cover a distance of 110 km, A reaches to the destination one hour before B. Even if B had given a start of 8 km, he would have reached 12 minutes late. Find the speed of A. A hare makes 9 leaps in the same time as a dog makes 5. But the dog's leap is 2m while hare's is only 1 m. How many leaps will the dog have to make before catching up with the hare if the hare has a head start of 16 m?