Mathematics

If X = {all the perfect squares less than 40} Y = {all the odd…

If X = {all the perfect squares less than 40}
Y = {all the odd numbers fro, 1 to 15}. Find X ∩ Y.
  • A.
    {3, 9}
  • B.
    {9}
  • C.
    {9, 25}
  • D.
    {1, 9}
Correct Answer: Option D
Explanation

All the perfect squares
X = {1, 4, 9, 16, 25, 36}
All the odd numbers from 1 to 15
Y = {1, 3, 5, 7, 9, 11, 13, 15}
X ∩ Y = {1, 9}