I shave every day, but my beard stays the same. What am I?

What is the probability of choosing the correct answer at random from the options below?

a) 1/4
b) 1/2
c) 1
d) 1/4

Why is 6 afraid of 7?

Can you find out which triangle will have a bigger area among the following?
1. A triangle with sides 300, 400 and 500
2. A triangle with sides 300, 400 and 700

With the help clues provided in the image, can you find the 5 digit key?

Find the next number in the series below

21 32 54 87 131 ?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?