1.

On decreasing a number by 40 % a result of 360 is obtained. Find the original number.

Answer»

-step explanation:LET the original no. be x so, x - 40% of x = 360 x - 2x / 5 = 360 5x - 2x / 5 = 360 3x/ 5 = 360 x= 360* 5/3 x= 600



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