In final exam of class IX there are 50 students 10 % students failed. How many students passed to class X?
Answers
A) 33 B) 378 C) 37 D) 39 E) 45
Percentage of students passed to class X = 100 % - 10 % = 90 %   90 % of 50   = 90/100 × 50   = 4500/100= 
<gadget id="calculator">4500/100</gadget>
<output>45</output>
45   Therefore, 45 students passed to class X.   Answer:45
<result>E</result>
In final exam of class IX there are 50 students 10 % students failed. How many students passed to class X?