alleryA को 10 दिन और B को 15 दिन लगते हैं। एकांतर दिनों में कार्य करते हुए, जिसमें शुरुआत A करता है, वे कार्य को कितने दिनों में पूरा करेंगे?
A12 दिन
B11 दिन
C10 दिन
D15 दिन
Answer & Solution
Correct answer: A. 12 दिन
प्रत्येक दो दिन के चक्र में 1/10 + 1/15 = 1/6 कार्य पूरा होता है, इसलिए 6 चक्रों में 12 दिन लगेंगे।
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