1.

Observe the nature of the number patterns given below.1 + 2 + 3 = 65 + 10 + 15 = 3010 + 20 + 30 = 60What is the relation between the sum and the middle number ?

Answer»

Observe the nature of the number patterns given below.

1 + 2 + 3 = 6

5 + 10 + 15 = 30

10 + 20 + 30 = 60



What is the relation between the sum and the middle number ?





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