Question

1.Arrange the numbers from 1 to 9 in each circle of the 3 sides of the
triangles in such a way that the sum of each side is
i) 20​

Answer 1

Answer:

The sum of first number and last number is ten ( 1 + 9 = 10 ). Similarly, the sum of second number and second last element is also ten ( 2 + 8 = 10 ); In the same way ( 3 , 7 ) and ( 4 , 6 ) forms ...