Refer to the number series given below. Identify the pattern/relationship between the numbers and find the missing number.
There are four coordinators named Lily, Cathy,Mary and Nina. Each coordinator is at a different corner of the rectangle meeting hall. A coffee vending machine is situated at one of the corners and a restroom at another corner of the meeting hall. Lily and Cathy are at either sides of the white board, which is situated at the center of the side which is opposite to the side at whose corners the coffee vending machine and the restroom are located. Coordinator Mary is not at the corner where the restroom is located.
Which of the following cannot be true?
1. Lily is not on the side of the hall where the white board is placed
2. Nina is adjacent to the restroom at one corner
3. Cathy is at the corner, adjacent to the coffee vending machine.from aonecode.com
4. Mary is adjacent to the coffee vending machine, at one corner of the hall
5. Lily is at the corner, adjacent to the coffee machine
| L 白板 C |
| coffre rest|
|M N |
Question: Ionization energy decreases with the increasing size of metal atom out of Cesium, lithium, potassium, sodium, which will have the lowest ionization energy?
A. statement 1 alone is sufficient, but statement 2 alone is not sufficient to answer the question
B. statement 2 alone is sufficient, but statement 1 alone is not sufficient to answer the question
C. both statements taken together are sufficient to answer the question, but neither statement alone is sufficient
D. each statement alone is sufficient
E. statements 1 and 2 together are not sufficient, and additional data is needed to answer the question