Presently ages of father and the son are in the ratio 6:1 respectively. Four years hence the ratio of their ages will become 4:1 respectively. What is the son's present age?
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Answer:
6 and 36
Step-by-step explanation:
Let the present age of son be x and father be 6x
then
6x + 4/x + 4 = 4/1
then
cross multiplication
6x + 4 = 4(x + 4)
6x + 4 = 4x + 16
6x - 4x = 16 - 4
2x = 12
x = 6
Age of son = 6
Age of father = 6x = 6 * 6 = 36
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