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The present age of a brother is 6 years more than four times the age of his.........Find the present age of the brother.

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The present age of a brother is 6 years more than four times the age of his sister.
Six years hence, brother's age will be four years more than thrice the age of the sister.
Find the present age of the brother.

posted Aug 8, 2019 by Chahat Sharma

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1 Answer

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46


b=4s+6 ----> (1)
b+6=3*(s+6)+4 ----> (2)
b=?


(2) -> b=3s+16 ---> (3)
Comparing (1) & (3)---> 4s+6=3s+16 -> s=10 -> b=46

answer Aug 8, 2019 by Hanifa Mammadov



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