Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

I have branches, but no fruit, trunk or leaves. What am I?

What demands an answer, but asks no questions

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

A quarter is one-fourth of a dollar but Mr. John has changed the equation as below :

DOLLAR * 4 = QUARTER

Can you replace each letter with a digit to make the above solution correct?

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?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

What's the best place to go shopping in the ocean?