Question
The average height of a chikoo tree, a coconut tree and a mango tree is 4.2 m. The mango tree is thrice as tall as the coconut tree and 1.4 m taller than the chikoo tree. Find the average height of the chikoo tree and the coconut tree.
2 m

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The average height of a chikoo tree, a coconut tree and a mango tree is 4.2 m. The mango tree is thrice as tall as the coconut tree and 1.4 m taller than the chikoo tree. Find the average height of the chikoo tree and the coconut tree.