Q73
Find the missing number?
Find the missing number?


A.
2
AnswerB.
5
C.
1
D.
3
Answer: Option A
Solution
Answer: Option A
Solution:
Working in rows, the sum of numbers in each row follows the sequence 5, 10, 15, 20, 15, 10, 5. So,Sum of the middle = 20
1 + 3 + 7 + x + 1 + 4 + 2 = 20
x = 20 - 18 = 2.
Missing element = 2.