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Ramanujan’s Magic square.2212188788179251024891619862311Add the four numbers in the rows, the columns and along the diagonals of this square. What is the sum? Is it the same every time? What is the peculiarity? Look at the numbers in the first row, 22 – 12 – 1887. Find out why this date is special.Obtain and read a biography of the great Indian mathematician Srinivasa Ramanujan. |
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Answer» Sum of the numbers in each row: i. 22 + 12 + 18 + 87 = 139 ii. 88 + 17 + 9 + 25 = 139 iii. 10 + 24 + 89 + 16 = 139 iv. 19 + 86 + 23 + 11 = 139 Sum of the numbers along the diagonals: i. 22 + 17 + 89 + 11 = 139 ii. 87 + 9 + 24 + 19 = 139 Sum of the numbers in each column: i. 22 + 88 + 10 + 19 = 139 ii. 12 + 17 + 24 + 86 = 139 iii. 18 + 9 + 89 + 23 = 139 iv. 87 + 25 + 16 + 11 = 139 ∴ We observe that the sum of the numbers in each of the rows, the columns and along each diagonal remains the same every time. The numbers in the first row 22 – 12 – 1887 is the birth date of Srinivasa Ramanujan. |
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