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jai ho

· started a discussion

· 1 Months ago

wrong ans (Question: 316056.0 )

plz provide right soln

Question:

A locomotive engine runs at a speed of 50 km/h when no compartment is attach to it. For every new compartment that is attached to it, the speed of the train is reduced by 10% of the earlier speed. At most, how many compartments can be attached so that the train can cover a distance of 180 km in a maximum of 8 hours?

Options:
A)

7

B)

5

C)

6

D)

8

Solution:

Ans: (a)

  

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