Can you find the odd number in the following?

2716, 4135, 5321 and 7145

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 ?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

Can you guess the name of the month by looking the below rebus ?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

What is the centre of gravity?

What jumps when it walks and sits when it stands?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

What word is represented by this rebus?