75.6 kilometer/ ghanta ki raftaar see chalne vali train 20 minute me kitne mitrue ki duri Tay karegi
ashusingh0015p6at0j:
answer is 420 m or 0.42 km
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Answered by
1
Speed =distance /time
21=d×20
D=20×21
D=420 metre
21=d×20
D=20×21
D=420 metre
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here is your answer......
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