It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Can you count the number of lines in the below picture?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

What brings you down but never up?

In the four images below, can you find the odd one out?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.