Easy tricky riddles

If it takes one man three days to dig a hole, how long does it take two men to dig half a hole?

What kind of dog has a bark but no bite?

There is bomb on top of a computer; around the computer are a hairbrush, keys, phone and a cup. When the explosion comes, what item destroyed first?

A horse is on a 24 foot chain and wants an apple that is 26 feet away. How can the horse get to the apple?

Hockey Stick and ball cost $50. If the Stick cost $49 more than the ball. What is the cost of each ?

I’m the end of the colourful rainbow. What am I?

In a jungle where there is no streets lights or any other artificial source of lights, I notice a black snake crossing the road. How did I get sight of snake ?

There are 2 ducks in the front, 1 in the middle, and 2 in the back.... How many are there in total?

What rock group has four men that don't sing?

A train leaves from Halifax, Nova Scotia heading towards Vancouver, British Columbia at 120 km/h. Three hours later, a train leaves Vancouver heading towards Halifax at 180 km/h. Assume there's exactly 6000 kilometers between Vancouver and Halifax. When they meet, which train is closer to Halifax?