75. यदि 5 पुरुष अथवा 8 महिलाएँ किसी कार्य को 12 दिन
में कर सकते हैं, उसी कार्य को 2 पुरुष और 4 महिलाएँ
कितने दिन में कर पाएँगे ?
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Step-by-step explanation:
it is done by inverse variation
In the case 5 men and 8 women = 12 days
13 persons =12 days
In case of 2 men and 4 women = ? days
6 person = ? days ( let it be x days )
ACCORDING TO QUESTION
13× 6 = 12 × x
78 = 12x
78/12 = x
6 + 6/12 = x
answer is 6 days and 12 hrs
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