John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

I’m tall when I’m young, and I’m short when I’m old. What am I?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Which digit occurred maximum times between the number 1 and 1000?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

What brings you down but never up?

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

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?