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?

Why Wine Glass Stem is so long?

What kind of tree can you carry in your hand?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

What does this below rebus puzzle mean?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Why is it very easy to weigh a fish?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

what's the probability of getting a king or a queen from a pack of 52 cards?