Which word does the below Plexor means ?

People make me, save me, change me, raise me. What am I?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Why are all black people so quick ?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

John was piloting a plane behind a car but was never able to overtake it. Why?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?