Please help me to solve this question
Answers
Solution:
2 + 2 x 9 = 20
+ x -
6 x 8 x 1 = 48
- x +
8 x 5 - 2 = 38
= 0 = 80 = 10
Verification and explanation:
Must apply BODMAS rule. The priority of operators matters.
Row-wise:
Row 1 : 2 + 2 x 9 = 2 + 18 = 20 (CORRECT!)
Row 2: 6 x 8 x 1 = 48 (CORRECT!)
Row 3: 8 x 5 - 2 = 40 - 2 = 38 (CORRECT!)
Column-wise:
Column 1: 2 + 6 - 8 = 8 - 8 = 0 (CORRECT!)
Column 2: 2 x 8 x 5 = 80 (CORRECT!)
Column 3: 9 - 1 + 2 = 8 + 2 = 10 (CORRECT!)
Every combination has given the expected result. So, the solution works.
In such questions, first we need to do patterns based on the only number given: 8
Get all the possible values that work fine for that row and column.
Row 2 : (2, 3), (3, 2), (6, 1), (1,6)
Column 2: (2, 5), (5, 2), (1, 10), (10, 1)
Keep on checking the result for these values. At a point, you will get the solution, the one we mentioned here is the only solution.
This is how such questions are solved.
Learn more:
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