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A number increased by 20% gives 42. What is the number?

The number is 35.

  • 3
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 let the number be x

20% of number = 20x/100

  = x/5

20% of the number added to itself = x+x/5

 = 6x/5

ATQ

6x/5 = 42

6x= 42*5

x = 210/6

x = 35

  • 5

 

let the number be x

20% of number = 20x/100

= x/5

20% of the number added to itself = x+x/5

= 6x/5

ATQ

6x/5 = 42

6x= 42*5

x = 210/6

x = 35

 

  • 1

20% of 42=20*42100=8.4

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