T = {x | x is an integer and a divisor of 12}. :
Check whether the given set is finite or infinite.

T = {x | x is an integer and a multiple of 12}. : Check whether the given set is finite or infinite.

Check whether the numbers are in continued proportions: 9,12,16

Solve the following subquestion: Write the union of the following sets A ={x|x in N and x is a divisor of 12} B= {y|y in N and y is a divisor of 19}

Write with reasons, which of the following sets are finite or infinite: A={x|x<10,x in N}

Check whether the following matrices are invertible or not. [[1,2],[3,3]] .

Write with reasons, which of the following sets are finite or infinite: Set of whole numbers.