Which five letter word can be added at the end of below word to form a
valid word?

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What is full of holes but still holds water?

Can you decipher the two rows to find the hidden word?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

In which direction should the missing arrow point?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

You can hear me, but you can't touch or see me.

What am I?