What is the below Rebus indicate?

Through your logical capabilities, can you make 7 an even?

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Rearrange the letters in "new door" to make one word.

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

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

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

When 99 is considered higher than 100?