Question
If 20 men working 20 hours a day can make 20 quilts in
20 days, then in how many days 25 men working 25 hours per day will make 25 quilts?Solution
Let the number of days be x. According to question, => (20 × 20 × 20)/20 = (x × 25 × 25)/25 => x = 16
- 180 litres of a mixture is made up of juice and soda in the ratio of 4:5, respectively. If 36 litres of the mixture is withdrawn and replaced with the same...
A Bartender prepares a drink mixture containing 90 ml of pure alcohol and 10 ml of vodka. He realizes that he can add more vodka to the mixture without ...
A 65-litre mixture contains only water and oil in the ratio 3:2, respectively. If 35 litres of the mixture is replaced with the same quantity of oil, th...
- In a vessel, the ratio of milk to water is 4:3. After removing 105 ml of mixture and adding 210 ml of water, the quantity of water becomes 125% more than m...
Two mixtures A and B have milk:water ratios 3:2 and 4:5. They are poured together to get 0.732 litres of mixture where milk:water in the result is 31:30...
A mixture contains ‘x’% milk. 20% of this mixture is taken out and is replaced with same quantity of water. This procedure is repeated two more time...
A 120 litres mixture contains 40% milk and rest water. How much water should be added to the mixture, such that milk constitutes 25% of the resultant mi...
A mixture consists of 50% water and 50% milk. 10 liters of the mixture is replaced with the same quantity of milk. If the final ratio of milk to water i...
A 600 ml mixture contains milk and water in the ratio of 3:7, respectively. If ‘x’ ml of milk as well as the same amount of water is added to the mi...
A jar has 360 liters of a syrup and water mixture in the ratio 3:2 (syrup : water). If x liters of this mixture is drawn out and replaced with water, th...
Relevant for Exams:
