SSC GD Constable previous year question
C alone can complete a work in 50 days and D alone can complete the same work in half the time taken by C. In how many days will both together complete 3/10 of the total work?
Asked in SSC GD Constable 2024: 26 Feb 2024 Shift 1 · Quantitative Aptitude
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Correct answer: (B) 5 days
D's time (half of C's) = 25 days. Combined rate = 1/50+1/25=3/50. For 3/10 of the work: (3/10)/(3/50) = 5 days.
हिंदी में प्रश्न
C अकेले एक काम को 50 दिनों में पूरा कर सकता है और D अकेले उसी काम को C द्वारा लिए गए समय के आधे समय में पूरा कर सकता है। वे दोनों साथ मिलकर कुल काम का 3/10 भाग कितने दिनों में पूरा कर सकते है?
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सही उत्तर: (B) 4 दिन
D's time (half of C's) = 25 days. Combined rate = 1/50+1/25=3/50. For 3/10 of the work: (3/10)/(3/50) = 5 days.
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