What universal set(s) would you propose for each of the following :
The set of right triangles.

What universal set(s) would you propose for each of the following : The set of isosceles triangles.

Which of the following is a set of bacterial diseases?

Which of the following is the empty set?

Taking the set of natural numbers as the universal set, write down the complements of the following sets: { x : x is a prime number }

Taking the set of natural numbers as the universal set, write down the complements of the following sets: { x : x is a natural number divisible by 3 and 5}

Select the set of numbers from the following which can form the similar triangles.

Write the following sets: Set of the first five positve integers.

Write the following sets: Set of first five cubic numbers.