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.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Using eight eights and addition only, can you make 1000?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

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

Find the number of squares in the below-given picture.

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

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?