There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

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?

If six children and two dogs were under an umbrella, how come none of them got wet?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?