Question
Download Solution PDFA एक कार्य को 20 दिनों में पूरा कर सकता है और B उसी कार्य को 15 दिनों में पूरा कर सकता है। B ने 9 दिनों तक कार्य किया और नौकरी छोड़ दी। शेष कार्य को A अकेले कितने दिनों में पूरा कर सकता है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
A एक कार्य को पूरा कर सकता है = 20 दिन
B उसी कार्य को पूरा कर सकता है = 15 दिन
प्रयुक्त सूत्र:
कुल कार्य = दक्षता × समय
गणना:
दक्षता | व्यक्ति | समय | कुल कार्य |
3 | A | 20 | 60 |
4 | B | 15 |
प्रश्न के अनुसार:
⇒ B × 9 + A × D = 60
⇒ 4 × 9 + 3 × D = 60
⇒ 3D = (60 - 36) = 24
⇒ D = 24/3 = 8 दिन
∴ सही उत्तर 8 दिन है।
Last updated on Jul 12, 2025
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