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A and B are friends and B is 2 years younger than A. A’s father D is twice as old as A and B is twice as his sister C...

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A and B are friends and B is 2 years younger than A. A’s father D is twice as old as A and B is twice as his sister C. The age of D and C differ by 40 years. What are the ages of ‘A’ and ‘B’?

posted Jan 15, 2019 by anonymous

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1 Answer

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26 & 24


B=A-2
D=2A
B=2C -> C=B/2
D-C=40 --> 2A-B/2=40 -> 2A-(A-2)/2=40 -> A=26, B=26-2=24

answer Jan 15, 2019 by Hanifa Mammadov
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