If a man can finish a work in 12 days and a woman in 24 days, how many days will they take together?

प्रति दिन काम: पुरुष = 1/12, महिला = 1/24। संयुक्त = 1/12 + 1/24 = (2+1)/24 = 3/24 = 1/8। मिलकर = 8 दिन।