alleryA किसी कार्य को 10 दिनों में और B उसे 15 दिनों में कर सकता है। उनके एक साथ 3 दिनों तक कार्य करने के बाद, कार्य का कितना भाग शेष रह जाता है?
A1/3
B1/2
C1/4
D2/3
Answer & Solution
Correct answer: B. 1/2
दोनों मिलकर प्रतिदिन 1/6 कार्य करते हैं, इसलिए 3 दिनों में 1/2 कार्य पूरा हो जाता है और 1/2 कार्य शेष रहता है।
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