If f(x+y) = f(x)f(y) for all x,y and f(5) = 10. Find f(10).
Correct!
Wrong!

Pipe A can fill a tank in 4 hours. Pipe B can fill the same tank in 6. Find the time taken by pipe A and B together to fill the tank.
Correct!
Wrong!

A Dog takes 4 leaps for every 5 leaps of a Hare, but 3 leaps of the Dog is equal to 4 leaps of the Hare. Find the ratio of Dog's speed to Hare's speed.
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