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

Which wheel of car does not rotate when you turn your car right?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Can you Find and name the hidden bird in the picture below ?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

I throw two dice simultaneously.

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

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?