Multiple choice

A and B can complete a piece of work in 15 days and 20 days respectively. They got a contract to complete the work for Rs. 77,000. The share of A in the contracted money will be: A और B एक कार्य को क्रमशः 15 दिन और 20 दिन में पूरा कर सकते हैं। उन्हें काम पूरा करने के लिए 77,000 रुपये का ठेका मिला था। अनुबंधित धनराशि में A का हिस्सा होगा:

  1. 45000

  2. 40000

  3. 44000

  4. 42000

  5. 56000
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A's rate: 1/15 work/day, B's rate: 1/20 work/day. When working together, their work ratio is inversely proportional to time: A:B = (1/15):(1/20) = 4:3. Total parts = 7. A's share of Rs. 77000 = (4/7) × 77000 = 4 × 11000 = 44000.

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