2, 3, 5, 9, 17, _ What is the next number in the sequence?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

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?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

Can you find the hidden animal in the picture below?

How many triangles can you count in the figure given?