ए एंड बी टुगेदर कैन दो ए पीस आफ वर्क इन 20 डेज बी एंड 1/5 पार्ट ऑफ द वर्क इन 12 डेज इन हाउ मेनी डेज ए अलोन कैन डू इट
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3
Answer:
20 days
Step-by-step explanation:
Total work =>1
Part done by b in 12 days=>1/2
:.Part done by A alone=>1+1/2
__________________=>2+2/2
__________________=>4/2
__________________2/1or2
:.A can do 2 part .
Now no.of days»
- =>1-2
- =>1×20
- =>20 days
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