What is in seasons, seconds, centuries and minutes but not in decades, years or days?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What is the word or phrase?

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 ?

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

What is black when you buy it, red when you use it, and gray when you throw it away?