In a row, 25 trees are planted at equal distance from each other. The distance between 1st and 25th tree is 30 m. What is the distance between 3rd and 15th tree?
Let distance between two consecutive trees be 'x' m.
Distance between 1st and 25th tree = 24x.
According to question, $$24x=30$$.
$$x=1.25$$ m.
Distance between 3rd and 15th tree=12x.
$$=12\times1.25$$.
$$=15$$ m.
Hence, Option B is correct.
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