Which of the below owl is odd one out?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

With the help clues provided in the image, can you find the 5 digit key?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

There is a box in which distinct numbered balls have been kept. You have to pick two balls randomly from the lot.

If someone is offering you a 2 to 1 odds that the numbers will be relatively prime, for example
If the balls you picked had the numbers 6 and 13, you lose $1.
If the balls you picked had the numbers 5 and 25, you win $2.

Will you accept that bet?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What number when divided in half becomes zero?

81 x 9 = 801. What must you do to make the this equation true?

I look at you, you look at me, I raise my right, you raise your left. What am I?