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In an examination in which full marks we...

In an examination in which full marks were 800, A gets 20% more than B, B gets 20% more than C, and C gets 15% less than D. If A got 576 what parentage of full marks a did D get (approximately) `45. 7` b. `51. 2` c. `58. 8` d. `61. 7`

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