A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

What is the last thing you take off before bed?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

The dirtier I get, the whiter I look. Who am I?

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.

Can you identify the hidden rebus in the image below?

Which number comes next in the number series?

2, 9, 30, 93, ?