What is the centre of gravity?

What is greater than gold but cannot be bought. it can never be sold and can earn if its sought. though it can be broken, it can still be fixed. for by birth it can't start nor by death it is ended.what am i?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

I am sure no one can have two things for dinner. what are they?

What is both possible and impossible at the same time?

How is a fly different from a mosquito?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Who is that with a neck and no head, two arms and no hands? What is it?

Find the smallest sentence with all the English alphabet.