Question
In city S, if number of candidates who were not appeared
is 2/11 of the total number of applicants, then find the approximate percentage of the candidates who got selected out of appeared?Solution
Let the total number of applicants be x  Total number of non-appeared candidate = 2/11 of x  Total number of appeared candidates = Number of applicants – Number of non-appeared candidates  x – 2/11 of x = 9x/11  Total number of applicants who got selected =60% of x = 3x/5  So required % = [(3x/5)/(9x/11)] × 100 = 3300/45 = 73.33% = Approx. 73%
Two alloys A and B are made of copper and zinc only. In alloy A, copper and zinc are in the ratio 3 : 5. In alloy B, they are in the ratio 7 : 5. How ma...
A 50-litre mixture contains milk and water in the ratio 3:2. How much water should be added to make water 80% of the final mixture?
A mixture contains 45 ml water and rest ‘x’ ml milk. When 0.3x ml of water is added, the water becomes 3/7th of the mixture. Find the value of ‘x�...
A fuel tank at a depot has a capacity of 500 liters. The attendant sells 50 liters of diesel to one customer and then refills the...
Mixture X has acid and petrol in the ratio 11:9. Mixture Y has 25% acid, the rest water. If 36 litres of mixture X is blended with 24 litres of mixture ...
A vessel is completely filled with milk. If 46% of the milk is replaced with water then only 135 ml of milk will be left in the vessel. What is the tota...
A mixture containing milk and water in the ratio of 49:61. If 36 litres of water are taken out from the mixture, then the quantity of milk and water bec...
- 120 ml of mixture A containing milk and water in the ratio of 2:1 respectively is mixed with another 120 ml of mixture B containing milk and water in the r...
A vessel has 20L of 25% acid solution. How much pure acid must be added to make it 40% acid?
Mixture 'A' consists of milk and water in a ratio of 7:8, while mixture 'B' contains milk and water in a ratio of 3:2. When these two mixtures are combi...
Relevant for Exams:
