Subject
Bank Exam
Topic
First Security Islami Bank (Officer)-2014
X number of students in a class agreed to donate a total of tk z to a charity.if 4 students drop out,how much more will each of the rest have to contribute so that the total donation remains the same?
X number of students in a class agreed to donate a total of tk z to a charity.if 4 students drop out,how much more will each of the rest have to contribute so that the total donation remains the same?
ক)
z/4-xখ)
4z/(x2-4x)গ)
z/(X+4)ঘ)
none of theseExplanation
Among x students each one gave z/x taka after leaving four , total students (x-4) each of them gave z/x-4 Taka z/x-4-z/x =zx-z(x-4)/x(x-4)=4z/x2-4xRelated questions
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