What word begins and ends with an E, but has only one letter?

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

I shave every day, but my beard stays the same. What am I?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

If two's company, and three's a crowd, then whats four and five ?

What does below Rebus mean ?

esgg sgeg gegs gsge

What does this rebus means ?

PROG WORKRESS