We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

When 99 is considered higher than 100?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

Solve the following series:
AZ, GT, MN, __, YB

What begins with T, ends with T, and has T in it?

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

Can you find out who is the kidnapper in below Picture and why, Explain ?