Why is Saturday stronger than Monday?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?

Teacher ask the student

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

what did student replied ?

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

Which point will the car reach to go out?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?