What is the next shape from answers A, B, C, and D figure?

What is the end of everything?

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Who always enjoys poor health?

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

Can you place three balls such that the equation shown in the picture holds true?

How many letters are in the alphabet?

The dirtier I get, the whiter I look. Who am I?

In the picture given below, can you find out which digit will take place of the question mark?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?