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Initially, amount of milk = (5/8) × 96 = 60 litres Amount of water = (3/8) × 96 = 36 litres 24 litres of mixture is replaced. Amount of milk replaced = 24 x (5/8) = 15 Amount of water replaced = 24 x (3/8) = 9 So, required ratio = (60 – 15):(36 – 9 + 24) = 45:51 = 15:17
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A train can cross a pole in 18 seconds. While if the train increased its speed by 75% then time taken by it to cross 444 metres long platform is 42 seco...
1600 metres long train crosses a man who is moving in the same direction with a certain speed in 25 seconds. If the same train can cross a pole in 20 se...
350 metre long train ‘A’ is running with a speed of 43.2 km/hr. Train ‘B’ which is 387 metre long is running with a speed of 90 km/h in opposite...
A train crosses a platform in 48 seconds travelling with a speed of 120 km/hr. If the length of the train be 600 metres, then the length (in metres) of ...