How is the moon similar to a dollar?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

Which wheel of car does not rotate when you turn your car right?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Solve the counting riddle by identifying the number of triangles in the given picture.

Can you move 2 matchsticks to form four equal sized squares.

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Spot what is wrong here in below Picture?