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Image formed by a plane and a convex mirror is always erect. Concave mirror forms image both erect and inverted depends
110 litres of mixture contains water and milk in the ratio 2:5 respectively. If 26 litres of the mixture is replaced by same quantity of water, then fin...
Mixture ‘A’ contains 40% sugar in it while mixture ‘B’ contains 64% sugar in it. They are mixed together to get a 120 kg mixture that contains 4...
A shopkeeper mixes two types of rice, one costing ₹40/kg and the other ₹60/kg, in a ratio of 2:3. He sells the mixture at ₹55/kg. Find his profit ...
A certain mixture consists of oil and water, with the water content exceeding that of oil by 20%. When 70 ml of oil and 60 ml of water are introduced in...
A vessel is completely filled with milk. If 43% of the milk is replaced with water then only 171 ml of milk will be left in the vessel. What is the tota...
In a mixture of milk & water, 80 litres water is mixed due to which ratio changes from 3 : 4 to 1 : 3. Find initial quantity of mixture. (in litres)
A container contains Alcohol and water in ratio of 3:1 and Capacity of Container is 40 lit. If half of the Container is replaced with 15 lit of water th...
Sea water contains 5% salt by weight. If you have 40 kg of sea water, how much fresh water must be added to dilute the solution so that the salt concent...
A 250 litres mixture contains milk and water in the ratio 4:1 respectively. If 20% of the mixture is replaced with the same quantity of water, then find...