Question

when a number increased by 20% gives 6510 then original number is

Answer 1

Answer:

x×20/100=6510-x

x=65100/20-x

x=3255

Answer 2

Answer:

Let the no. be x

20 percent of no. be 20x /100

=x/5

20 percent of no. add to itself is x+x/5

=6x/5

According to question

6x/5=42

x=42×5/6

x=35

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