Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What is more useful when it is broken?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Why despite killing dozens of people Charley and Wilma were not punished?

What is so fragile that saying its name breaks it?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

What does this mathematical rebus means ?