Subject
Quantitative Aptitude
Topic
Simplification
A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be:
A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be:
ক)
22খ)
23গ)
24ঘ)
26Explanation
Let the number of hens be x and the number of cows be y. Then, x + y = 48 .... (i) And 2x + 4y = 140 => x + 2y = 70 .... (ii) Solving (i) and (ii) we get: x = 26, y = 22. So, The required answer = 26.Related questions
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