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Find the maximum number of trees which can be planted 20 m apart on the two sides of a straight road 1760 m long.
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- 174
- 176
- 180
- 178
Correct Option: D
Number of trees that can be planted on one side of road = (Length of road/gap between two trees ) + 1
Number of trees that can be planted on one side of road = ( 1760/20 )+ 1
Number of trees that can be planted on one side of road = 88 + 1 = 89
∴ Threes on the both sides
= 2 x 89 = 178
