There are some doves and hares in a forest If head are counted they are 200 if legs are counted they...........

Quantitative Aptitude ( CCS) Simplification

There are some doves and hares in a forest. If head are counted, they are 200. if legs are counted, they are 580. the number of hares in the forest are

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Explanation:

let no of doves =X, and no of hares=y
therefore,
X+Y=200
=>2X+2Y=400......(1)
AND,
2X+4Y=580........(2)
From equation (1) and (2)
2Y=180
Y=90
The no of hares=90