Question

IF IN ZOO THERE IS A BIG NO. OF LIONS AND OSTRICH . THEY GOT MIXED AND THERE NO. HEAD IS 200 AND THEIR LEGS ARE 500 . SO THE NO OF OSTRICH AND LIONS ARE?

Answer 1

let the no of lions =x
no. of legs of lions= 4x
no. of ostrich= 200-x
no. of legs of ostrich= 2(200-x)

500= 4x + 2(200-x)
x=50

no. of lions = 50
no of ostrich = 150