Question

Arrange to get the sum 450 when it is added row wise and column
wise,
450
10 + 20 + 30 + 40 + 50 + 60 + 70 + 80 + 90
450
20 + 40 + 70 +90 + 10 + 50 + 80 + 30 + 60
30 + 90 +
40 + 10 +
50 + 60 +
60 + 70 +..
70 + 80 +
80 + 50 +
90 + 30 +
450 450​

Answer 1

Refer the attached image for the answer.

Explanation:

According to the question, we need to arrange number such that, when we add them row wise and column wise, the sum should be equal to 450.

Consider the attached image for answer.

Verification:

Now, we will add numbers along row wise.

• The sum of the numbers present along row 1 $=450$.
• The sum of the numbers present along row 2 $=450$.
• The sum of the numbers present along row 3 $=450$.
• The sum of the numbers present along row 4 $=450$.
• The sum of the numbers present along row 5 $=450$.
• The sum of the numbers present along row 6 $=450$.
• The sum of the numbers present along row 7 $=450$.
• The sum of the numbers present along row 8 $=450$.
• The sum of the numbers present along row 9 $=450$.

Now, we will add numbers along column wise.

• The sum of the numbers present along column 1 $=450$.
• The sum of the numbers present along column 2 $=450$.
• The sum of the numbers present along column 3 $=450$.
• The sum of the numbers present along column 4 $=450$.
• The sum of the numbers present along column 5 $=450$.
• The sum of the numbers present along column 6 $=450$.
• The sum of the numbers present along column 7 $=450$.
• The sum of the numbers present along column 8 $=450$.
• The sum of the numbers present along column 9 $=450$.

Therefore, our numbers are in correct order.

Answer 2

Answer:

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