In an examination 35% of the students passed and 520 failed. How many students appeared for the examination? Select the correct option
A) A)540
B) B)400
C) C)800
D) D)650
E) E)840
Let the number of students appeared be x   then, 65% of x = 520   65x/100 = 520   x = 520*100/65= 
<gadget id="calculator">520*100/65</gadget>
<output>800</output>
800   Answer is 800
<result>C</result>
In an examination 35% of the students passed and 520 failed. How many students appeared for the examination?