If daily wages of a man is four times to that of a woman, how many men should work for 20 days to earn Rs.14400? Given that wages for 40 women for 30 days are Rs.21600.  Choose the correct choice.
A) 10 B) 14 C) 16 D) 18 E) 20
Explanation :   Wages of 1 woman for 1 day = 21600/40Ã—30   Wages of 1 man for 1 day = 21600Ã—4/40Ã—30   Wages of 1 man for 20 days = 21600Ã—4Ã—20/40Ã—30   Number of men = 14400/(21600Ã—4Ã—20/40Ã—30)=144/(216Ã—80/40Ã—30)=10   10nswer : Option 10
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If daily wages of a man is four times to that of a woman, how many men should work for 20 days to earn Rs.14400? Given that wages for 40 women for 30 days are Rs.21600.