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Each student of a class contributed as many5 paise as the number of students in the...

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shewa55 | Valedictorian

Posted May 6, 2013 at 4:20 PM via web

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Each student of a class contributed as many5 paise as the number of students in the class.Find the number of students if the total collection was Rs.101.25.

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted May 6, 2013 at 5:07 PM (Answer #1)

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Each student of the class contributed as many 5 paise = 0.05 INR as the number of students in the class. The total amount collected was 101.25 INR

Let the number of students in the class be X

X*X*0.05 = 101.25

=> X^2 = 2025

=> X = 45

The number of students in the class was 45.

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