94
23
3 perdons can build
a wall in 4 days, then
build it in
4 persons
comथ्री पर्सन कैन बिल्ड ऑफ ऑल इनफॉरमेशन फॉर कॉटन बुलिटिन
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Answer:
Answer : (b)
Let number of days = x, then
Persons 3 : 4
(Time taken to build a wall ) 4 : x
More person, less times take
∴
By inverse proportion,
3 : 4 : : x : 4
x
=
4
×
3
4
=
3
∴
Time taken to build the wall = 3 days
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