If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Replace the question mark with the correct number.

In a picnic session, a footballer was practicing. During his play, he busted lips and ears and broke ribs and thighs. However, he was still able to play a professional match on the very next day.



How can this be possible?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

Can you identify the hidden rebus in the image below?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?