Q121
Find the missing number?
Find the missing number?
A.
15
B.
16
AnswerC.
18
D.
21
Answer: Option B
Solution
Answer: Option B
Solution:
Working in columns, starting with the top number, add 4 to give the next value down, and add 5 to give the one under that. So, In Third Column:
7 + 4 = 11 and
11 + 5 = 16.
Missing element = 16.