If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

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

Solve the rebus riddle in the picture below.

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

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?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.