John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

What does this rebus means ?

PROG WORKRESS

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

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

Can you solve the below tricky visual equation?

What can you hold in your right hand, but never in your left hand?

By using 'because' continuously three times, can you make an English statement ?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?