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The ratio of the present ages of Ajay and Vijay is 7 : 6 and the product of their ag4es is 672 years. How old was Vijay years ago? (1) 20 Years (2) 18 years (3) 15 years (4) 25 years |
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Answer» (1) 20 Years Let present age be 7x and 6x 7x × 6x = 672 x2 = 672 / 42 = 16 x = 4 Vijay age = 6x = 24 4 years ago = 20 |
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