1.

The number of cows in a farm is 1 timesthe number of sheep. The number of goats istwice the number of sheep. If there are 90animals in the farm, calculate the number ofcows in the farm.

Answer»

Let number of sheep = xThen,Number of cows = 3x/2Number of goats = 2x

Given, Total number of animals in farm = 90

So,x + 3x/2 + 2x = 90(2x + 3x + 4x) = 90*29x = 180x = 180/9 = 20

Therefore,Number of cows in farm= 3x/2 = 3*20/2= 30



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