Question
Which of the following is a biodegradable
pollutant?Solution
Paper decomposes naturally, unlike plastic or metal.
A mixture consisting of 360 liters contains petrol and diesel in a ratio of 5:4, respectively. After removing 7.5% of the mixture and replacing it with ...
In a mixture of 45 litres, the ratio of wine to water is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?
- Mixture ‘D’ consists of milk and water in the ratio 4:5. Another mixture ‘E’ has milk and water in the ratio 3:7. If 90 litres of ‘D’ and 70 li...
A mixture consists of (k+16) liters of milk and (2k+12) liters of water. After adding 8 liters of milk and 20 liters of water to ...
- The ratio of milk and water in a mixture is 4:3 respectively. When 8 litres of milk and 10 litres of water are added to the mixture, the ratio becomes 6:5 ...
A 315 ml mixture contains honey and water in the ratio of ______. If 60% of this mixture is removed, and then ____ ml of honey al...
A 180 litres mixture of glycerin and water contains 20% glycerin. How much water should be added to the mixture to make the quantity of water 90% of the...
A milkman mixed milk and water in an empty container in the ratio 13:9. The quantity of milk mixed was bought by the milkman at the rate of Rs. 44/litre...
A container ‘X’ holds 400 litres of a solution which is 5/8th milk and the rest is water. 30% of this solution is poured into container ‘Y’, whi...
A mixture contains (d + 24) litres of petrol and oil in a 3:5 ratio. To this, 40 litres of oil and (d - 72) litres of petrol are added, altering the rat...
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