Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

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

When can we add 2 to 11 and get 1 as the correct answer?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

In the image below, can you find the value of an angle(y)

Can you solve the photo plexer logic ?

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

Before reading ahead, you must know the fact that only one of the people here is telling the truth.

A says that B is lying.
B says that C is lying.
C says both A and B are lying.

Can you find out who is speaking the truth?

Find the Goldfish below the given Image.

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?