1.
If is exactly divisible by 9 for all then the least positive integral value of is
2.
For all equals to
3.
The inequality is true for
4.
If then

is true for all . So, statement  is true for
5.
If , then is true
6.
Let denotes the statement that is odd. It is seen that is true for all
7.
The sum to terms of the series is
8.
If , then is divisible by
9.
For natural number , if
10.
If then is divisible by