Fill the grids below based on the rule mentioned above: Class 7
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Expert Answer
Fill the grids below based on the rule mentioned above: Class 7
Question 1.
Fill the grids below based on the rule mentioned above : Class 7
Solution:
Question 2.
Make a couple of questions like this on your own and challenge your peers. Class 7
Solution:
Do as directed.
Question 3.
You might have realised that it is not possible to find a solution for this grid. Why is this the case? Class 7
Solution:
It is not possible to find the solution of this grid, because here rows sum = 5 + 21 + 19 = 45, but column sum = 9 + 11 + 26 = 46 ≠ 45.
They should be 45 each.
Question 4.
Why should the row sums and column sums always add to 45? Class 7
Solution:
Because 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45.