What is the coolest letter in the alphabet?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

Find the smallest sentence with all the English alphabet.

Can you find out the total number of triangles in the given figure?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

Spot 5 differences in two Christmas tree below:

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Rectify the following equality 101 - 102 = 1 by moving just one digit.