The present age of A is twice that of B. After 30 years from now the age of A will be 11/2 times that of B. Find the present ages of A and B respectively.
50,40
40,50
30,60
60,30
A
30,60
B
40,50
C
60,30
D
50,40
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Solution
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Present age : A = 2x, B = x After 30 years : A = 2X + 30, B = X + 30 so,2x+30=11/2(x+30) 4x + 60 = 3x + 90 x = 30 ∴ Present age of B = 30 years Present age of A = 2 x 30 = 60 years
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