In which direction should the missing arrow point?

What has many keys but can’t open a single lock?

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

Which word does the below Plexor means ?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Can you replace the question mark with the correct number in the below table sequence?

The captain of a ship is telling you an interesting story and then poses a question. He says, “I have travelled the oceans far and wide. One time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. Can you tell me how that was possible?”