Question

The students of class 8 of a school donated Rs2401 in all ,for prime minister's National Relief Fund . Each student donated as many rupees as the number of students in class .Find the number of students in the class

Answer 1

Answer:

49

Step-by-step explanation:

if there are x students then each student will give x rupees

then x^2 = 2401

x= 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.