How can one talk without saying a single word?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

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

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

You are a cab driver who pools passengers. You pick 3 people from a destination and drop 1 after an hour. 2 people climb aboard at the same time and you drop 3 at the next destination. After some time, you pick 2 passengers only to drop 1 after a short distance where 3 more passengers climb up the cab. You leave the rest of the passengers one by one to their destination and then come back home.

Can you tell the eye color of the cab driver?

Whats the next number in the below number sequence pattern.