Question

A welfare association collected Rs.202500 as donation from residence of a colony,if each paid as many rupees as there were residence. Find the number of residence. Please solve and find this answer.​

Answer 1

Answer:

There were 450 residents and each one of them paid 450 rupees for donation

Step-by-step explanation:

Let the number of residents be x.

Therefore, According to question x people donated x rupees. So equation formed will be -

x × x = 202500

or, x² = 202500

or, ✓x² = ✓202500

or, x = 450

Answer 2

Answer:

The number of residents is 450.

Step-by-step explanation:

Let R be the number of residents.

Let r be the money in rupees donated by each resident.

Since the money received as the donation is the same as the number of residents: R=r

Substituting this in the first equation, we get:

R x R = 202500 (since R=r)

R²= 202500

R=√202500

R= 450

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