How can you tell a raw egg from a hard-boiled egg?

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

what does the below rebus means?

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?

I have Rs.50 and I spend it in the way as below.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Jigsaw captured 100 people and make them stand in a circle and all these people are labelled as Person1, Person2, Person3... Person100. He made them play a crazy game in which Person 1 shot Person 2 and pass the gun to the next person and so on until one stands alive.

Which person will survive in the end?

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

Forwards I am heavy, backward I am not. What am I?