Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

What number comes next in the series?

5 15 5 18 5 24 14 20 _

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

What has a ring but no finger?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Which is faster, Heat or Cold ? Explain.

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

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?