John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What came first, the chicken or the egg?

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

How can a man go eight days without sleep?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

Can you find the company name in the pictogram below?