Q258
Find the missing number?
Find the missing number?
A.
11
B.
9
C.
15
D.
12
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Working from the bottom row to the apex of the triangle, the sum of the values in each row follows the sequence 15, 14, 13,12.8 + 2 + 1 + 4 = 15
7 + 3 + 4 = 14
6 +7 = 13
So,
Top Element = 12.