Find the maximum number of trees which can be planted 20 m apart on the two sides of a straight road 1760 m long.

A) 174

B) 176

C) 180

D) 178

Correct answer:
D) 178

Description for Correct answer:
Number of trees that can be planted on

one side of road = \( \Large \frac{1760}{20} + 1 \)

= 88 + 1 = 89

Trees on the both sides

= \( \Large 2 \times 89 = 178 \)


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