Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.

what's the probability of getting a king or a queen from a pack of 52 cards?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

I am the fastest animal but cannot climb the tree. What am I?

There was a strange boy who was born before his father. How can this be possible?

I add 5 to 9 and get 2. The answer is correct, so what am I?

You can see it everyday, But cannot touch it at will. What is it?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

If Rajina's daughter is my daughter's mom, who am I to Rajina?