It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

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

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

What is the last thing you take off before bed?

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

What is both possible and impossible at the same time?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?