What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Which letter of the alphabet has the most water?

What is the largest number you can write with just 3 digits?

What number when divided in half becomes zero?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Find the next number in the series below

21 32 54 87 131 ?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

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?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?