Question
Ratio of males to females in village ‘A’ and village
‘B’ is 9:10 and 17:18, respectively and number of females in village ‘B’ is 25% more than that in village ‘A’. Find difference between number of males in villages ‘A’ and ‘B’ if number of males in village ‘B’ is 1700.Solution
Number of females in village ‘B’ = 18/17 × 1700 = 1800 Number of females in village ‘A’ = 1800/1.25 = 1440 Number of males in village ‘A’ = 9/10 × 1440 = 1296 Desired difference = 1440 – 1296 = 404
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