What is the fastest way to double your money?

In the given picture, in how many ways can you read the word "Tiger"?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

What happened when the wheel was invented?

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

In the image given, you can find several triangles. Can you count them all?