47. The 3 statements given below are all true about certain positive integers x, y, and z.

1. x is an even prime number

2. 6 ﹤ y ﹤ 9

3. z is a perfect square such that 10 < z < 20

Which of the following integers could be the value of

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

An even prime number can only be 2, so x is 2. y can be 7 or 8. The only perfect square between 10 and 20 is 16, so z is 16. Enter the two values ​​of y respectively to obtain the answer 64 or 56. Choose D.