Find the next number in the series.
1 10 24 43 67 ?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

The more you take me, the more you leave me behind.
Who Am I?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Replace the question mark with the correct number in below Picture:

Why is the longest human nose just 11 inches?