Question
The population of town at present is 5000. If males are
increased by 6% and females are increased by 14%. Then population will become 5540 after I year. Find the male population after increment?Solution
Alternate Method: Let the present population of males and females be x and y respectively. so, x + y = 5000--------(i) After increament in the number of males and females 1.06x + 1.14y = 5540 -----(ii) after solving (i) and (ii) we get, x = 2000 and y = 3000 Therefore increament in males = 2000 x 1.06 = 2120
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