Question

8
(c) The result of a number, when increased by
15%, is 161. Find the number.​

Answer 1

Answer:

Let the original number =  x

Increased percentage = 15%

Increased value = 161

Original value (100+increased percentage)/100=increased value

x[(100+15)/100] = 161

x × (115/100) = 161

x = (161×100)/115

x = (23×7×5×20)/(23×5)

After cancellation

x = 140

Therefore

Original value = x = 140

I hope this is helpful

Answer 2

Answer:

140 .

Step-by-step explanation:

Let the no. be = x .

Therefore , x + 15/100 = 161 .

or , (100 + 15/ 100 ) x = 161

or , 115/100 x = 161

or , x = 161 * 100 /115 .

Therefore , x = 140 . ( Ans )

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