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?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

What part of the chicken has the most feathers?

Count the squares in the matchstick puzzle below?

Can you solve the below geography rebus by decoding the below rebus ?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

I’m tall when I’m young, and I’m short when I’m old. What am I?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Can you find the dog hidden in a group of pandas?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?