On a 2 km road, a total of 201 trees are planted on the side of the road at equal distance. How many such trees will be planed on a 50 km road such that the distance between two consecutive trees is the same as that of the consecutive trees on the 2km road?

A 501

B 5001

C 5000

D 1000

Solution

Correct Answer: Option B

201 টি গাছের মধ্যে 200 টি সমান সংখ্যক দূরত্ব বিদ্যমান

এখানে , 2 km =(2×1000)m
অতএব,
 2 টি গাছের মধ্যকার দূরত্ব =2000/200
                                         =10 m

আবার , 50 km= (50×1000) m
                       =50000 m

গাছের সংখ্যার =(50000/10 +1 ) টি
                       =(5000+1) টি
                      =5001 টি

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