Question

A number increased by 20% gives 42. The number is

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Answer 1

Answer:

The number is 35.

Step-by-step explanation:

Here is the calculation for it:

Let the number be x

20% of x = 0.2 x

now according to given data in the question,

x+ 0.2x = 42

1.2 x =42

x = 42/1.2 =35

Hence, the number is 35.

Answer 2

35

Step-by-step explanation:

let the number be 'x'

x+(20% of x)=42

= x+20x/100=42

=x(100)+20x/100=42

=100x+20/100=42

=120x/100=42

x=42×100/120

=4200/120

=420/12

=35

therefore,the the orginal number is 35

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