What is in seasons, seconds, centuries and minutes but not in decades, years or days?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

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

How many triangles are there on the puzzle below?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

A man dies of old age on his 25 birthday. How is this possible?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

What English word has three consecutive double letters?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?