Question
Which of the following pairs of numbers and signs, when
their positions are interchanged, will correctly solve the given mathematical equation? 17 × 15 + 3 – 11 ÷ 3 = 45Solution
The correct answer is A
The diluted wine contains only 8 liters of wine, and the rest is water. A new mixture whose concentration is 30%, is to be formed by replacing wine. How...
- A solution of 960 ml has milk and water in 1:3 ratio. If an equal quantity of milk and water is added and the new ratio becomes 2:5, calculate the value of...
In the mixture of 84 liters, the ratio of milk and water is 5: 7. If this ratio is changed to 3: 5, then tell the amount of excess water (in liters) mix...
An alloy of copper and tin contains 65% of copper. If 12 kg of more tin is added to the alloy, the copper content gets reduced to 50%. Find the quantity...
Three mixtures, containing mixture of sugar to water in the ratio of 6:3, 8:4 and 10:5 are mixed in equal proportion and a new mixture is formed. If the...
In a 160 litres mixture of milk and water, the ratio of the milk to water is 4:1. If 28 litres mixture is taken out and replaced by same quantity of wat...
A man buys two varieties of sugar weighing 50 kg and 80 kg at ₹60 and ₹70 per kg respectively. He mixes the two varieties and sells the entire mixtu...
In a mixture of milk and water, the quantity of water is 40 litres more than that of milk. When 100 litres of milk is added to the mixture, then the qua...
A 300 litres mixture of milk and water contains 50% milk. How much water should be added to the mixture to make the quantity of water 70% of the total m...
A 139.98 liters mixture contains 80.02 liters milk and the remaining is water. 24.98% mixture is removed and 19 liters of water is added. Find the final...