50% of a number when added to 50 is equal to the number. The number is:
Let the number be x
50% of x means 50/100*x
=>x/2
now,given x/2 is added to 50 gives x
i.e; x/2+50=x
=> 50=x-x/2
=>50=x/2
x=100
Therefore answer is optionD
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