How many times can you subtract the number two from the number fifty?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

I travel all around the world but always stay in the corner. What am I?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

Can you divide the below-given shape into four equal and identical pieces?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

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

If a shopkeeper can only place the weights on one side of the common balance. For example, if he has weights 1 and 3 then he can measure 1, 3 and 4 only. Now the question is how many minimum weights and names of the weights you will need to measure all weights from 1 to 1000? This is a fairly simple problem and very easy to prove also.

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?