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

What Word am I Looking For ?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Which letter of the alphabet has the most water?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

What number comes next in the series?

5 15 5 18 5 24 14 20 _