Solve the equation in the image by looking at the pattern closely.

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

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

A bomb exploded in a room full of married couples and no one died. How?

How many words can a pen with half refill write?

A father's child, a mother's child, yet no one's son.

Who am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

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?

A man dies of old age on his 25 birthday. How is this possible?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?