Question

ek chidiyaghar mein kuch chuhe or kabootar hai agar sir ine Jaye to 280 hai or per gine Jaye to 820 hai to kabootaron ki sankhya gyat kro​

Answer 1

Answer:

150

Step-by-step explanation:

let mouse be x

and pigeons be y

then x+y=280 because they have only one head.

now as mouse have 4 feet and pigeons have 2

so eq (2) becomes 4x+2y=820

on solving both

we get x=130 y=150