Which part of London exists in France as well ?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

What is common among 11, 69, and 88?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Before Mount Everest was discovered, what was the highest mountain in the world?

What is so fragile that saying its name breaks it?