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

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 number comes next in the series?

5 15 5 18 5 24 14 20 _

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

How is a fly different from a mosquito?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

A pet show was happening in my locality. I went down along with my kids. In that show, I noticed that all except two of the entries were cats. All except two were dogs and all except two were Monkeys.

Can you find out how many of each animals were present in that pet show?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?