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2Â years, 12Â months ago
2Â years, 12Â months ago
My answer is 45
Can you provide your solution so that I can cross check
2Â years, 12Â months ago
Your method is right but answer is wrong 600/8 is 75 not 50
So additional men required will be 75-30 which is 45
2Â years, 12Â months ago
m sorry now i am describing the way ie. fix the time to be 30 minutes,
let the work to be done is 30*30 =900
so, 30*.4 =12 minutes 1/3 of the work ie 300 units are completed
remaining 600 unit are to be now finished in 8 minutes (2/3 of original time -12 minutes)
therefore 600/8=50 as one unit is done by a person in one minute so 50-30 men = 20
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