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ExamsSSC CGL (Prelims)General

Two partners, M and N, share a grazing field. M grazes 12 cows for 4 months and 18 goats for 5 months; N grazes 26 goats for 7 months. Given that 3 cows graze as much as 7 goats, what fraction of the total rent should M pay?

  1. 101/192
  2. 110/192
  3. 105/192
  4. 60/192

Correct answer: 101/192

Solution

Since 3 cows = 7 goats, 1 cow = 7/3 goats. Convert M’s cows into goat-equivalents and multiply by months, then add the goat contribution. Do the same for N, and take M’s contribution divided by the total contribution to get the rent fraction.

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