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2016-02-03T21:23:20+05:30
Let the age of son be x Then ..... The age of his father would be 7x After 4 years ...... Age of son = (x+ 4 ) years ..... Age of father would be (7x+4 ) years .... According to the question ...... 7x +4 = 4(x+4) 7x + 4 = 4x + 16 7x - 4x = 16 - 4 3x = 12 x = 4 7x = 4×7 = 24 Therefore the ages of the man and his son are ..... 28 years and 4 years ..... The second question isn't clear ......
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