Which tank will fill first?

Can you solve the maths in the below-given picture equation?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

In a jungle where there are no street lights or any other artificial source of lights, I notice a black snake crossing the road.
How did I get sight of the snake?

Count the number of balls in picture below:

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

What can you catch but never throw?

John was drowned by he was not wet. How?