Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Can you solve the below tricky visual equation?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

I am quite hot but become too cold if you remove the first two letters. What am I?

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 came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

What is the end of everything?

A blonde put eyeliner on her head. Why?