passwella.
Menu

JAMB Mathematics 2007 Question 38

Question 38

Sets

If X = {all perfect squares less than 40} and Y = {all odd numbers from 1 to 15}, find X∩Y.

  1. A.{3, 9}
  2. B.{9}
  3. C.{9, 25}
  4. D.{1, 9}
Show the answer and explanation

Answer: D ({1, 9})

Explanation

X = {1, 4, 9, 16, 25, 36} and Y = {1, 3, 5, ..., 15}. The common elements are 1 and 9.