Spot 5 differences in two Christmas tree below:

How do you go from 98 to 720 using just one letter?

Can you tell a 3D object that has just two surfaces?

With the help clues provided in the image, can you find the 5 digit key?

I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Can you solve the rebus below?

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

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

What is common among 11, 69, and 88?