Postal or Sorting Assistants Model Paper 10 With Solutions

Question : 7 of 100

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A man has few hens and cows. If the total number of heads are 48 and the total number of feet are 140, then the number of hens are

Solution:

(d) Let hens and cows are x and y respectively

x + y=48

....(1)

2x + 4y= 140

x + 2y=70

....(2)
After solving eq. (1) & (2)

y=22

∴

x=26

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