In a practice paper at 2iim.com, questions were given from 5 topics. Out of the appearing students, 10% passed in all topics while 10% did not pass in any. Of the remaining, 20% passed in one topic only and 25% in two topics only. If 24% of the total students passed 4 topics only and 500 students passed in 3 topics only, find the total number of students who appeared in the examination?	Pick:
A) 2500	B) 2000	C) 1600	D) 4545	E) 6565
DETAILED SOLUTION   Let the number of appearing students be 100.   Pass only in 0 topic – 10   1 – 16 (20% of 80)   2 – 20 (25% of 80)   3 – 20% (100 – (16+20+24+20))   4 – 24%   5 – 20%   Therefore, 20% of x = 500 = ) x = 2500   Correct 2500nswer: 2500
<result>A</result>
In a practice paper at 2iim.com, questions were given from 5 topics. Out of the appearing students, 10% passed in all topics while 10% did not pass in any. Of the remaining, 20% passed in one topic only and 25% in two topics only. If 24% of the total students passed 4 topics only and 500 students passed in 3 topics only, find the total number of students who appeared in the examination?