Electron was discovered by JJ Thompson Neutron was discovered by Chadwik Proton was discovered by Rutherford / Goldstein
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 container has only two types (P and Q) of oil in the ratio 3:2 respectively. When 90 litre of oil Q is added to the containerthe quantity of oil P bec...
A 220-litre mixture contains petrol and water, only in ratio 6:5, respectively. How much water should be added in the mixture so that the quantity of wa...
A mixture contains milk and water, where the difference between the quantities of milk and water is 20% of the total mixture, which is 180 ml. If adding...
100 litres of a mixture contains 40% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
A container contains a mixture of 50 liters of milk and water in the ratio 5:3. If 8 liters of the mixture is taken out and replaced by water, what is t...
150 litres of mixture contains water and milk in the ratio 3:5 respectively. If 54 litres of the mixture is replaced by same quantity of water, then fin...
The ratio of the quantity of milk to that of water in a 21-liter mixture is 5:2. How much milk should be added to the mixture such that the ratio of mil...
180 litres of a mixture contains 36% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
