2007
Mathematics
JAMB
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: {1, 9}
Explanation
All the perfect squares < 40 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}
All the perfect squares < 40 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}THIS WEEK's
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