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A man ,when asked how many …

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A man ,when asked how many hen and buffaloes he has told that his animal have 120eyes and 180legs, how many hen and buffaloes has he?
  • 1 answers

Sia ? 4 years, 9 months ago

Number of hens = x
Number of buffaloes = y
{tex}\therefore{/tex} {tex}2x + 2y = 120{/tex} {tex}\Rightarrow{/tex} {tex}x + y = 60{/tex} ..(i)
{tex}2x + 4y = 180{/tex} {tex}\Rightarrow{/tex} {tex}x + 2y = 90{/tex} ..(ii)
Subtracting eq. (i) from (ii), we get
{tex}y = 30{/tex}
Putting y = 30 in eq. (i), we get
{tex}x + 30 = 60{/tex}
{tex}x = 30{/tex}

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