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?

Can you decipher the below rebus?

PBLUESAISNUERSES

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?

Find the smallest sentence with all the English alphabet.

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

I can be cracked, made, told, and played. What am I?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?