P ,Q എന്നിവർ മണിക്കുറിൽ യഥാക്രമം 3 കി.മീ., 3.75 കി.മീ. വേഗത്തിൽ ഒരു സ്ഥലത്തേക്ക് ഒരേസമയം പുറപ്പെട്ടു. Q, Pയേക്കാൾ അര മണിക്കൂർ മുൻപേതന്നെ സ്ഥലത്തെത്തിയെങ്കിൽ സ്ഥലങ്ങൾ തമ്മിലുള്ള ദൂരം എത്
A6 കി.മീ.
B7.5 കി.മീ.
C9 കി.മീ.
D11.5 കി.മീ.
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