A man bought some horses, cows and goats. They were 100 in number(totally). If it costed Rs.100 to buy those 100 animals and the cost of a horse, a cow and a goat was Rs.10,Rs.3, 50 paise respectively,how much horses goats and cows did he buy?

Kartik Kandiwalsa

• Jul 30th, 2017

X be horses, y be cows, z be goats
According to given condition
x+y+z=100
10*x+3*y+0.5*z=100
Subtracting eqn 1 from eqn 2
19*x+5*y=100
Only possible integers values are x=5 and y=1
Hence z=94
So 5 horses 1 cow and 94 goats

shiva

• Apr 27th, 2017

4 Rs. 1 Book
25 p. 1 Pencil
50 p. 1 Pen

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