what does this picture(rebus) riddle means ?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

If six children and two dogs were under an umbrella, how come none of them got wet?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?