By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

A Detective reviewed the information they had on the case so far.

A lady named 'Caterina' was found shot and they already had a list of suspects - Ankit, Tarun, Harish, Manoj and Manish.
The killer is a fan of challenges him by leaving notes ad various places.
* The first was found in a toilet room.
* The second was found in an art room.
* The third was in a restroom.
* the fourth in an underwater room.
* The fifth at the no-smoking room.

All of the notes read the same thing, 'The clues are where you find the notes.' Yet, nothing was found at any place the notes were.
Detective the genius, immediately solved the case.
Who was the killer?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

O_er_t_o_

Complete the missing letters of the given word.

Which is faster, Heat or Cold ? Explain.

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 have teeth but i don't bite. Who Am I ?