Question

Identify and write the “common property” of the following collections.

1) 2, 4, 6, 8, …….

2) 2, 3, 5, 7, 11, …….

3) 1, 4, 9, 16, …….

4) January, February, March, April,…

5) Thumb, index finger, middle finger, ring finger, pinky.

Answer 1

1. All are even numbers {x : x is even}
2. All are prime numbers (x : x is a prime}
3. All are perfect squares
4. All are English months {x : x is a month of the year}
5. All are English months {x : x is a month of the year}