?
Find the missing number?
Find the missing number?
Answer & Solution
Correct Answer:
Option
A
Working in rows from top to bottom, the sum of the digits in each row increases by 2 each time, from 20 to 30. So,
Sum of the last row = 30
9 + 9 + 2 + 1 + 5 + x = 30
x = 30 - 26 = 4.
x = 4.
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