Question

40% of a number is added to 120,the the result is double of the number what is a number?

Answer 1

Step-by-step explanation:

माना वह संख्या = x

x का 40% = x * 40/100 = 2x/5

प्रश्नानुसार :- 120 + 2x/5 = 2x

2x - 2x/5 = 120

(10x -2x)/5 = 120

8x / 5 = 120

x/5 = 15

x = 15*5

x = 75

So , the number is 75 .