Souju's age is 150% of what it was 10 years ago, but 75% of what it will be after 10 years. What is her present age?  Select the correct option:
A) 25 years
B) 27years
C) 30 years
D) 42 years
E) 66 years
Let the age before 10 years =x. Then,   150x/100=x+10   â‡’150x=100x+1000   â‡’x=1000/50= 
<gadget id="calculator">1000/50</gadget>
<output>20</output>
20   Present age=x+10=20+10= 
<gadget id="calculator">20+10</gadget>
<output>30</output>
30   ANSWER:30 years
<result>C</result>
Souju's age is 150% of what it was 10 years ago, but 75% of what it will be after 10 years. What is her present age?