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Since the distance is same in all the conditions. Therefore, Average speed = 3xyz/(xy + yz + zx) Average speed = 3 x 40 x 70 x 120/(40 x 70 + 70 x 120 + 40 x 120) Average speed = 3 x 40 x 70 x 120/(2800 + 8400 + 4800) = 1008000/16000 = 63 km/hr
A chemist prepared 50 grams of a medicine by mixing two ingredients P and 'Q, Rate of 'P' is ₹150 per 10 gm and that of 'Q' is ₹ 500 per 100 gm. 'P'...
99 ml of mixture ‘P’ contains milk and water in the ratio of 7:4, respectively is mixed with 30 ml of mixture ‘Q’ containing mil...
In a mixture of 120 litres, milk was 58(1/3)% and rest was water. If (x + 15) of the mixture is taken out and add 8 litres of milk in it, then the diff...
750 ml mixture contains milk and water in the ratio of 11:14 respectively. If 30% of the mixture is taken out, and 180 ml of water is added into the rem...
A glass contains a mixture of rum and water in the ratio of 2:5. The total volume of the mixture is 98 liters. If an additional 32 liters of rum is pour...
340 ml of mixture contains milk and water in the ratio of 18:x respectively. If 50 ml of water and 60 ml of milk is added into it then ratio of milk to ...
In a mixture, the ratio of milk to water is 25:2. From this mixture, 27 litre is taken out and 35 lit of pure milk is added. Quantity of milk in final m...
