How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

If 1+9+8=1, what is 2+8+9?

Do you know who was buried in John's tomb?

When 99 is considered higher than 100?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

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