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Grade:
        Calculate the sum6+66+666+6666+6666....66 till n 6`s
9 months ago

Answers : (1)

Satdhruti Paul
19 Points
							Take 6/9 common. You get 6/9(9 + 99 + 999 + 9999 + .....) Which is basically 6/9(10 - 1 + 102 -1 + 103 -1......) and so on which is then easy to calculate. Happy new year mate!
						
9 months ago
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