if a boy covered 214 metre in 30 second in how much time will be cover 450
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s=d/t
ATQ
s=214/30
s=107/15metre/sec
t=d/s
t=450÷107/15
t=6750/107
t=63.084sec
ATQ
s=214/30
s=107/15metre/sec
t=d/s
t=450÷107/15
t=6750/107
t=63.084sec
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