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?

Why do we preferably have round manhole covers and not square ones?

What kind of band never plays music?

Find the hidden tiger in the given optical illusion ?

John bought a new car. He has a habit of eating ice cream from a particular ice cream shop while returning home from office. Whenever, he eats strawberry ice cream, he faces no problem. But whenever, he eats chocolate ice cream, the car starts giving problem. At first, he thinks, it is just a co-incidence but when this awkward incident happens for 3-4 times, he reports this problem to the company.

The mechanic of the company checks but finds no problem at all. The next day, when he stops by to eat chocolate ice cream, the car again starts giving problem.

Can you find the possible reason?

What kind of tree can you carry in your hand?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?