The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Count the number of squares in the picture below.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

I shave every day, but my beard stays the same. What am I?

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?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?