Q255
Find the missing number?
Find the missing number?
A.
2
B.
7
AnswerC.
4
D.
9
Answer: Option B
Solution
Answer: Option B
Solution:
Add the number at each corner of the diagram to its 2 adjacent numbers. The total is always 15.4 + 4 + 7 = 15
5 + 4 + 6 = 15
6 + 7 + 2 = 15
So,
6 + 2 + x = 15
x = 15 - 8 = 7.