Delhi Police Constable practice question
If 21 men working 6 hours a day can complete 1 unit(s) of work in 18 days, in how many days can 7 men working 8 hours a day complete 2 unit(s) of work?
From a Delhi Police Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (B) 81.0 days
Using m1xd1xh1/w1 = m2xd2xh2/w2, we get d2 = (m1xd1xh1xw2)/(m2xh2xw1) = (21x18x6x2)/(7x8x1) = 81.0 days.
हिंदी में प्रश्न
यदि 21 पुरुष प्रतिदिन 6 घंटे कार्य करते हुए 1 इकाई कार्य 18 दिनों में पूरा करते हैं, तो 7 पुरुष प्रतिदिन 8 घंटे कार्य करते हुए 2 इकाई कार्य कितने दिनों में पूरा करेंगे?
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सही उत्तर: (B) 81.0 days
Using m1xd1xh1/w1 = m2xd2xh2/w2, we get d2 = (m1xd1xh1xw2)/(m2xh2xw1) = (21x18x6x2)/(7x8x1) = 81.0 days.
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