Question

Students of class 4 decided to collect money for earthquake relief. The amount (in ₹)
collected by each students equals to number of students in the class, if they collected a total
of ₹3136, find the number of students in the class​

Answer 1

Answer:

Here, Donated money = ` 2401

Let the number of students be x

Therefore donated money = x x x

According to question,

x^2=2401x

2

=2401

\Rightarrow x=\sqrt{2401}=\sqrt{7\times7\times7\times7}⇒x=

2401

=

7×7×7×7

\Rightarrow x=7\times7=49⇒x=7×7=49

Hence, the number of students is 49.

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Here, Donated money = ` 2401

Let the number of students be x

Therefore donated money = x x x

According to question,

x^2=2401

$\Rightarrow x=\sqrt{2401}=\sqrt{7\times7\times7\times7}$

$\Rightarrow x=7\times7=49$

Hence, the number of students is 49.