I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Which tank will fill first?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Solve the mathematical equation in the picture below.

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

What's the next in the series?

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

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

How can you make a TV, a bed, a dog, and a car liquid?

What month of the year has 28 days?