InterviewSolution
Saved Bookmarks
| 1. |
A seller uses 840 gm in place of 1 kg to sell his goods. Find his actual profit/loss % When he sells his article on 4% loss on cost price ? |
|
Answer» a. 14.28 % profit Let, students appear in EXAM C only =a Total students appeared in exam B=720 Ratio of number appeard in exam B and C only =`2:3` Students appeared in exam A ANDC both =a/2 Numberof students appeared in all three exams `=(4)/(100)xx2000=80` Number of students appeared in B exam only = No. ofStudents appeared in B and C only = 3x Number of students appeared in exam A and B only `=(2)/(3)xx3x=2x` Now, `2x+3x+3x+80=720` `rArr x=80` and, ` 12.5x +a+(a)/(2)=2000` `(5A)/(a)=1000` `rArr a=400` Studentsappeard in two exam only `=160+120+240=520` |
|