Replace the question mark with the correct number.

In a basket of apples,
when counted in twos, there was one extra
when counted in threes, there were two extra when counted in fours, there were three extra
when counted in fives, there were four extra
when counted in sixes, there was five extra.

However, if the apples were counted in sevens, no extra apple was left. Can you calculate the minimum number of apples that were present in the basket?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

What is the next number in this series?

4,12,84,3612....

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

I am the fastest animal but cannot climb the tree. What am I?