What Time Should the last watch show in the below figure?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

Rearrange the letters in "new door" to make one word.

It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

81 x 9 = 801. What must you do to make the this equation true?

What always comes into a house through the keyhole?

What occurs twice in a week, once in a year but never in a day?

Christina, Allison and Lena are 3 daughters of John a well-known Mathematician, When I asked John the age of their daughters. He replied "The current age of her daughters is prime. Also, the difference between their ages is also prime."

How old are the daughters?