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Devide 20 into four parts which are in arithmeticprogression and such that the product of firstand fourth is to the product of second and third in the ratio 2:3 . OR The angles of a quadrilateral are in AP such that the greatest is double the least calculate all the angles of the quadrilateral . |
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Answer» Or `60^(@), 80^(@)`, 100, 120` |
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