Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

What can go up a chimney down, but can't go down a chimney up?

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?

Who has married many women but was never married?

Can you find out the number of the parking space in which the car is parked?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

What is the largest number you can write with just 3 digits?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Solve the following series:
AZ, GT, MN, __, YB

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly