When we see 2 but call 10?

What has 88 keys?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Find the next number in the sequence

5 12 24 36 ?

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?

How many times in a given day, minutes and hour clock comes in a straight line ?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

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

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Prove that the below maths equation is true.

8 + 8 = 91