What word is pronounced the same if you take away four of its five letters?

Find the next number in the series below

21 32 54 87 131 ?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

How many triangles can you count in the figure given?

What has to be broken before you can use it?

Can you make a six-letter word using the letters N, A and B ?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Can you name four days which start with the letter 'T'?