If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What has a bottom at the top?

What does this below rebus puzzle mean?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

What makes this number unique: 8,549,176,320?

One night, a man runs away from home. He turns left and keeps running. After some time he turns left again and keeps running. Later, he turns left one more time and runs back home—but when he gets home, he finds a man in a mask. Who was the man in the mask?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?