What occurs twice in a week, once in a year but never in a day?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

In a stable, there are men and horses. In all, there are 22 heads and 72 feet. How many men and how many horses are in the stable

What brings you down but never up?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

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?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Can you identify the Oscar-winning movie from the rebus below?