How can you write nineteen in a manner that if we take out one, it becomes twenty?

A man plots the murder of his wife. His plan is full proof. Nobody saw them leaving their house. He stabbed her with a knife while driving. She died on the spot. He threw her body in a valley. He threw the knife carefully wiping his finger prints on a random garbage bin. Then he went back to his home and no one was watching him this time as well.

After an hour, he was called by the local police department who informed him that his wife was murdered. They asked him to reach the scene of crime immediately. But as soon as he arrived at the crime scene, he was arrested by them.

How did the police know that he himself is the murderer?

What is so fragile that saying its name breaks it?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What is the riddle which can be asked all day with a different correct answer each time.

Count the number of balls in picture below:

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

_ _ _ IE _ _
_ _ _ IE _
_ _ IE _ _
_ _ IE _
_ _ _ _ IE

Like you see, some letters have gone missing from these words that contain the IE pair at some or the other place. The letters that will be used to fill the blanks are given below. Use them and form meaningful words. Can you do that?

A, C, D, F, H, K, L, M, N, N, O, R, R, S, S, S, T, T, Y and Y.