1.
Which among the following statements is not true?
2.
Which among the following is not a multiple of 19?
3.
4.
5.
Which among the following is not a factor of 450?
6.
Which one of the following has a factor greater than 20 and less than 25?
7.
Which one among the following statements is not true?
8.
The common factors of 18 and 27 are_____.
9.
What are all the factors of 90?
10.
A teacher of a school arranged 48 students in rows such that each row has the same number of students. Find all the possible combination of rows he can make?