I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

What has a ring but no finger?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

No matter how little or how much you use me, you change me every month. What am I?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

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

Who is He ?