Given that P is the set of all prime numbers between 0 and 10, and Q is the set of all odd numbers between 0 and 10. Find the union of elements in P that are not in Q and the elements in Q that are not in P.
In the diagram above, T represents the construction of angle .....
Convert the number 10111.11\(_{two}\) to a mixed number.
Subtract 14256\(_{seven}\) from 20045\(_{seven}\)
The average age of the four female teachers in a school is 40 and the average age of eight male teachers in the school is 25. Calculate the average age of the teachers in the school.
