What does below pictogram mean?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

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

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

Look at the picture and find out which square is not linked with any of the other squares.

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

What is the below Rebus indicate?

How can you make number one disappear by adding something to it?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Find the hidden tiger in the given optical illusion ?