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If (1/x): (1/y): (1/z) = 2: 3: 5, then x: y: z=?(a)2: 3: 5 (b)15: 10: 6 (c)5: 3: 2 (d)6: 10: 15 |
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Answer» (b) 15: 10: 6 Because, = (1/x): (1/y) = 2: 3 Then, y : x = 2: 3 y = (2/3)x = (1/y) : (1/z) = 3: 5 = z: y =3: 5 z = (3/5)y x: y: z = x: (2/3)x: (3/5)y = x: (2/3)x: (3/5) × (2/3)x = x: (2/3)x: (2/5)x = 15: 10: 6 |
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