In a school, there are four subjects. Seventy percent of students study English, seventy five percent of students study Science, eighty five percent of students study Mathematics and eighty percent of students study Spanish.

Can you calculate the percentage of students that study all four subjects?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

What goes up but never comes down?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Identify the hidden meaning behind this picture?

You can hear me, but you can't touch or see me.

What am I?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

Can it be possible to build a house that has all its four walls facing towards the South?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?