Question

The students of class 8 of a school donated rupees 2401 in all, for prime minister's national relief fund .Each student donated as many rupees as the number of students in the class .Find the numbers of students in the class. ​

Answer 1

Answer:49 students.

square root of 2401=49

Answer 2

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The students of class VIII of a school donated £2401 in all, for Prime minister's National Relief Fund. Each student donated as many rupees as the number of students in the class. Find the number of students in the class.

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Let X be the no. of students in the class + Total money donated by them.

$\implies \tt{x \times x = 2401}$

$\implies \tt{ {x}^{2} = 2401}$

$\implies \tt{ x = \sqrt{2401} }$

$\implies \tt{ x = 7 \times 7 \times 7 \times 7 }$

$\implies \tt{ x = {7}^{2} }$

$\implies \tt{ x = {49}}$

Number of students in class is 49.