Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

How many sides does a circle have?

81 x 9 = 801. What must you do to make the this equation true?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

What is the word or phrase below?
R | E | A | D

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?