At present sum of age = 68 years After 4 years sum of age will be, => 5x + 4x + 3x + 2x = 68 + 4 × 4 => 14x = 68 + 16 => x = 84/14 => x = 6 C’s present age = 3x – 4 = 14 years
In a mixture of 12 liters containing vinegar and Soya sauce, the vinegar constitutes 25% of the mixture. After removing 4 liters of this mixture, 10 lit...
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'...
A factory has a mixture containing 60% iron and 40% copper. If 20 kg of copper is added, resulting in a mixture that is 50% iron, what was the initial w...
In what ratio coffee at 315 Rs/kg should be mixed with the coffee at 355 Rs/kg so that after mixture its rate become 330 Rs/kg if the quantity of 1st ty...
A container holds a mixture of alcohol and water in the ratio 4:7, respectively. 25 liters of the mixture is drawn out and replaced with the same quanti...
if 70 liters of milk solution contains 60% milk, how much milk should be added to make the solution 80% milk?
A container can hold 1,000 liters of liquid. If it is filled with 30% water and 70% oil, how many liters of oil are in the container? If 50 liters of oi...
A shopkeeper buys 40 kg of sugar at ₹30 per kg and 60 kg of sugar at ₹35 per kg. He mixes them and sells the entire quantity at ₹40 per kg. If his...
90 litres of mixture contains water and milk in the ratio 1:5 respectively. If 24 litres of the mixture is replaced by same quantity of water, then find...
2 Kg of sugar at Rs 22 per Kg is mixed with 3 Kg of 2nd type of sugar to get a mixture costing Rs 38 per Kg. Find the price of the costlier sugar.
