Question
Which country has been ranked first in the 2016
Environmental Performance Index released at the World Economic Forum?Solution
On 23 January 2016, the 2016 Environmental Performance Index was released at the World Economic Forum, with 180 countries being ranked. Finland tops the list followed by Iceland and Sweden.
- An alloy contains 50% iron, 30% zinc, and 20% aluminum. How much iron should be added to 30 kg of the alloy so that the new alloy contains 60% iron?
In a container, the ratio of milk to water is 5:3. If 30% of the mixture is removed and replaced by the same quantity of milk and 24 ml of water is adde...
A 480 ml mixture consists of milk and honey in a 5:7 ratio. If βpβ ml of both milk and honey is added to the mixture, the new ratio of milk to honey...
- Mixture βDβ consists of milk and water in the ratio 4:5. Another mixture βEβ has milk and water in the ratio 3:7. If 90 litres of βDβ and 70 li...
540 litres of mixture βAβ contains milk and water in it. If mixture βAβ is mixed with 660 litres of mixture βBβ which contains water and sal...
Three containers have their volumes in the ratio 3: 4: 5, They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio ...
A Vessel if full of milk, 5 litre of milk is taken out and replaced by water. This process is repeated once more, find the initial amount of milk in the...
- 270 litres of mixture 'X' contains milk and honey, only in the ratio 7:2, respectively and 480 litres of mixture 'Y' contains milk and honey, only in the r...
A mixture contains 70 litres milk and rest is water. When 20 litres milk and 22 litres water is added to the mixture, the ratio of milk to water becomes...
An alloy of artificial gold contains 83% Copper and remaining Aluminium. In an another alloy, Copper is 91% and Aluminium is 7%. In what ratio should th...