Question
 Each even digit in the number 236594 is replaced by
the next higher digit and each odd digit is replaced by the previous lower digit and the digits obtained are rearranged in ascending order. Which of the following will be the third from the left end after the rearrangement?Solution
Given number- 2 3 6 5 9 4
After change - 3 2 7 4 8 5 23 4 578
150 liters of mixture 'P' (milk + water) contains milk and water in the ratio of 2:3, respectively. In mixture 'Q' of milk and water, the quantity of mi...
In a mixture of 85 litres, the ratio of milk to water is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?
100 litres of mixture contains water and milk in the ratio 2:3 respectively. If 20 litres of the mixture is replaced by same quantity of water, then fin...
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...
A jar contains a mixture of milk and water in the ratio 8:3, respectively. If 5-litres of the mixture is taken out, then the quantity of water left in t...
A mixture contains milk and water in the ratio of 3:2 respectively. If 34 litres of milk and 34 litres of water are added to this mixture, then respecti...
A milkman mixed milk and water in an empty container in the ratio 16:11. The quantity of milk mixed was bought by the milkman at the rate of Rs. 34/litr...
A mixture contains ‘x’% milk. 30% of this mixture is taken out and is replaced with same quantity of water. This procedure is repeated two more time...
A trader mixes two types of sugar costing ₹42/kg and ₹60/kg in the ratio 3:2. He sells the mixture at ₹55/kg. What is his percentage profit?
A mixture measuring 720 ml consists of milk and water in an 8:7 ratio. How much water should be added to ensure that the water content is 12.5% greater ...
Relevant for Exams:
