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Question

Find the maximum number of trees which can be planted, 25 meters apart, on the two sides of a straight road 2125 meters long?

A 180 Correct Answer Incorrect Answer
B 172 Correct Answer Incorrect Answer
C 184 Correct Answer Incorrect Answer
D 176 Correct Answer Incorrect Answer

Solution

Number of trees on each side of the road [+1 because we would start with a tree ] = 2125/25 + 1 = 85 + 1 = 86 ∴ Required answer = 86 × 2 = 172

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