The centre of the third figure is empty. What digit should fit inside?

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

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

When my father was 31 I was 8. Now he is twice as old as me. How old am I?