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Multiple Choice Question
In a farm, there are some cows and some hens. If heads are counted, there are 40. If legs are counted, there are 120. How many cows are there in the farm?एक खेत में कुछ गायें और कुछ मुर्गियां हैं। यदि सिरों की गिनती की जाती है, तो वे 40 हैं। यदि पैरों की गिनती की जाती है, तो वे 120 हैं। खेत में कितनी गायें हैं?
Explanation:
Let cows be C and hens be H. C + H = 40. Legs: 4C + 2H = 120. Solving these two equations gives C = 20.
माना गाय C और मुर्गी H हैं। C + H = 40। पैर: 4C + 2H = 120। इन समीकरणों को हल करने पर C = 20 प्राप्त होता है।
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This question belongs to the set "Reasoning & General Studies Practice Test #2 for VDO, Patwari, Lekhpal". Click below to read detailed notes and attempt the full quiz.
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