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Maths Puzzle
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Some telegraph poles are placed 20 m apart. How many poles will a train pass in 3-hours at 60km/h ?
a) 1200 b) 2500 c) 4000 d) 9000
Read Solution (Total 4)
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- Diatance travelled = 60*3= 180 km = 1800000 m
no poles = 180000/20 = 9000
Ans (d) - 13 years agoHelpfull: Yes(6) No(0)
- 9000
3*60*1000/20= 9000 - 13 years agoHelpfull: Yes(2) No(0)
- train traveled 180000meters(60*3*1000)
number of poles=(180000/20)
answer is 9000 - 13 years agoHelpfull: Yes(1) No(0)
- (d) 9000
In one hour 3000 poles so in 3 hours 9000 poles - 8 years agoHelpfull: Yes(0) No(0)
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