Question

Find the missing number, if a certain rule is followed either row-wise or column wise.
Options :
A) 18
B) 15
C) 13
D) 20
Please refer to the attached picture.

Answer 1

The answer is 20..the missing blank should be filled with 20

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Answer 2

missing number  = 13

Step-by-step explanation:

18         28          21

13         17            15

11          7             ?

16        18             19

18 + 11 = 13 + 16  

28 + 7  = 17 + 18

21 + ?  = 15 + 19

=> ?  13

missing number  = 13

Logic  is in a column

sum of 1st & 3rd = Sum of 2nd & 4th

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