Question
A can give 40 metres start to B and 70 metres to C in a race of one kilometre How many metres start can B give to C in a race of one kilometre ?
Answer: Option A
Answer: (a)According to the question,When A covers 1000m, B covers= 1000 - 40 = 960 mand C covers =1000 - 70 = 930 mWhen B covers 960m, C covers 930 m.When B covers 1000m, C covers= $930/960 × 1000$ = 968.75 metreHence, B gives C a start of= 1000 - 968.75 = 31.25 metre
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Answer: (a)According to the question,When A covers 1000m, B covers= 1000 - 40 = 960 mand C covers =1000 - 70 = 930 mWhen B covers 960m, C covers 930 m.When B covers 1000m, C covers= $930/960 × 1000$ = 968.75 metreHence, B gives C a start of= 1000 - 968.75 = 31.25 metre
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