Question
Logical Reasoning Question on Sequence and Series
| It is possible to arrange eight of nine numbers 2,3,4,5,7,10,11,12,13 in the vacant squares of the 3 by 4 array shown below so that the arithmetic average of the numbers in each row and column is the same integer.1 | 15 | ||
|---|---|---|---|
| 9 | |||
| 14 | |||
| Which one of the nine numbers must be left out when completing the array ? |
A
4
B
10
C
15
D
7
Answer
7
Explanation
Solution
The correct option is (D): 7.