please solve steps wise
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b is the correct answer I think
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Answer:
d) None of these
Step-by-step explanation:
Let's take Age of Sachin as x
then, Age of Rahul is x+4
The ratio of their ages is 7:9
that is, x: x+4 = 7:9
Cross multiplying,
7x+28 = 9x
= 28= 9x-7x
= 28= 2x
= 28/2= x
i.e. 14= x
Age of Sachin = 14
Age of Rahul = 14+ 4= 18
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