Find the missing letter in the last circle logically in the given below picture.

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

What seven-letter word has hundreds of letters in it?

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