SSC GD Constable previous year question
A and B can do a piece of work in 14/3 days while B and C can do the same work in 12/5 days and C and A in 16/3 days. By working together, what part of the same work can all three finish in 2 days?
Asked in SSC GD Constable 2024: 21 Feb 2024 Shift 2 · Quantitative Aptitude
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Correct answer: (B) 275/336
2×(A+B+C) = 3/14+5/12+3/16 = 275/336, so combined rate=275/672. In 2 days: 2×275/672 = 275/336.
हिंदी में प्रश्न
A और B एक काम को 14/3 दिनों में पूरा कर सकते हैं जबकि B और C उसी काम को 12/5 दिनों में पूरा कर सकते हैं तथा C और A उसी काम को 16/3 दिनों में पूरा कर सकते हैं। यदि वे तीनों एक साथ मिलकर काम करते हैं, तो वे समान काम का कितना हिस्सा 2 दिनों में पूरा कर सकते हैं?
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सही उत्तर: (B) 277/336
2×(A+B+C) = 3/14+5/12+3/16 = 275/336, so combined rate=275/672. In 2 days: 2×275/672 = 275/336.
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