SSC GD Constable previous year question
Rajeshwar can complete a work in 12 days, Vikram in 6 days, and Tiger in 15 days. They all start working together, but Rajeshwar leaves 2 days after the start, and Vikram leaves 3 days before the work is completed. In how many days will the work be completed?
Asked in SSC GD Constable 2025: 04 Feb 2025 Shift 2 (Afternoon) · Quantitative Aptitude
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Correct answer: (B) 5 5/7
Let total days = D. Rajeshwar works 2 days, Vikram works (D−3) days, Tiger works D days: 2/12 + (D−3)/6 + D/15 = 1. Solving gives D = 40/7 = 5 5/7 days.
हिंदी में प्रश्न
राजेश्वर एक कार्य को 12 दिनों में, विक्रम 6 दिनों में और टाइगर 15 दिनों में पूरा कर सकता है। वे सभी एक साथ कार्य करना शुरू करते हैं, लेकिन राजेश्वर 2 दिन बाद कार्य करना छोड़ देता है और विक्रम कार्य पूरा होने से 3 दिन पहले कार्य करना छोड़ देता है। कार्य कितने दिनों में पूरा होगा?
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सही उत्तर: (B) 5 5/7
कुल दिन D मान लें। राजेश्वर 2 दिन, विक्रम (D−3) दिन, और टाइगर D दिन कार्य करता है: 2/12 + (D−3)/6 + D/15 = 1। हल करने पर D = 40/7 = 5 5/7 दिन प्राप्त होता है।
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