Which number should replace the question mark?

John has played 50 ODI's and his average is 50. How many runs should he score in his 51st ODI, so that his average score jumps to 51?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

How many triangles can you count in the figure given?

In the given picture, in how many ways can you read the word "Tiger"?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

There are two insects on a tile. Insect X is sitting on one side of the tile (point A) and Insect Y is sitting opposite on the other side of the tile (point B). Now both of them decide to change their position and thus X starts crawling to point B and Y starts crawling to point A. When they meet and pass each other in between, X takes 20 seconds to reach B and Y takes just 5 seconds to reach A.

Can you calculate the total time each of the insects took to change their positions?