Which alphabet letter is a question?

Find the next number in the sequence

5 12 24 36 ?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Our product and our sum always give the same answer. Who are we?

What Deficiency does the below rebus represent?

VIT_MIN

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Count the squares in the matchstick puzzle below?

What number comes next in this sequence:
7 8 5 5 3 4 4 _