A man's age is 125% of what it was 10 years ago, but 8313% of what it will be after 10 years. What is his present age?	Select
A) 30
B) 40
C) 50
D) 60
E) 70
Let the age before 10 years =x. Then,   125x100=x+10⇒125x=100x+1000⇒x=100025=40   Present age =x+10=40+10= 
<gadget id="calculator">40+10</gadget>
<output>50</output>
50.   Answer is 50.
<result>C</result>
A man's age is 125% of what it was 10 years ago, but 8313% of what it will be after 10 years. What is his present age?