Which wheel of car does not rotate when you turn your car right?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Using exactly three matchsticks, can you divide the area into two equal parts?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

How many triangles can you find in this given picture?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

A professor thinks of two consecutive numbers between 1 and 10.
'A' knows the 1st number and 'B' knows the second number

A: I do not know your number.
B: Nor do I know your number.
A: Now I know.

What are the four solutions for this?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?