राम एक काम 42 दिन में करता है।
सीमा एक काम 84 दिन में करती है।
मोहनी एक काम 21 दिन में करती है।
तीनों मिलकर वहीं काम कितने दिन में करेंगे।
It is maths question of army public school plz give answer .
Answers
Answered by
0
Answer:
total work they do is 147
Answered by
0
Answer:
Ram 42
sima 84
mohini 21
total work 84
efficiency of ram = 2
efficiency of sima = 1
efficiency of mohini = 4
total day = total work / total efficiency
= 84/7=12days
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