Question
‘A’ and ‘B’ started moving towards each other at
same time with a speed of 21 km/hr and 15 km/hr, respectively. If the distance covered by ‘A’ is 15 km more than that by ‘B’, when they meet then find the initial distance between them.Solution
Ratio of distance travelled by ‘A’ and ‘B’ = 21:15 = 7:5 Required distance = 15 × 12 = 180 km
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