Name a key which is hardest to turn.

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Which tank will fill first?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Who has married many women but was never married?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

James Bond is caught up in a mysterious scenario where the evil villain has him blindfolded. He somehow breaks through the handcuffs but is unable to get the blindfold off. Upon searching, he comes across a bow and 3 arrows. He can hear the villain speak, and thus tries to take a shot at him. He launches the first arrow, it misses the villain. He then launches the second arrow and it misses by a greater margin.

What is the probability that this third shot our James bond takes will be worse than the second shot?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?