Question
Ratio of males to females in village ‘A’ and village
‘B’ is 2:5 and 3:4, 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 900.Solution
Number of females in village ‘B’ = 4/3 × 900 = 1200 Number of females in village ‘A’ = 1200/1.25 = 960 Number of males in village ‘A’ = 2/5 × 960 = 384 Desired difference = 900 – 384 = 516
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