Question
The total heights of three ostriches is 1100 cm. Ostrich P is thrice as tall as Ostrich Q. Ostrich R is twice as tall as Ostrich P. What is the height of Ostrich R?
4 m

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The total heights of three ostriches is 1100 cm. Ostrich P is thrice as tall as Ostrich Q. Ostrich R is twice as tall as Ostrich P. What is the height of Ostrich R?