How many horses would be required to plough 117hectares of land in 35 days. If 10 horses can plough 13 hectares in 7 days? Select one:
a.
b.18 horses
b.
d.16 horses
c.
c.24 horses
d.
a.28 horses?
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Given:
Number of horses = 10
Total land = 13 hectares
Time to plough = 7 days
To Find:
Horses required to plough 117 hectares of land in 35 days.
Solution:
Let the number of horses required be = x
Thus, as per the condition -
13 / 10 x 7 = 117 / x × 35
Both sides of the equation represent the rate of work of one horse per day.
Thus, the time required in 35 days will be -
x = 10 x 7 x 117 / 13 x 35
= 8190/ 455
= 18
Answer: Horses required to plough 117 hectares of land in 35 days is 18.
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