The life cycle comprises three stages: egg, hopper and adult. Eggs hatch in about two weeks (the range is 10-65 days), hoppers develop in five to six stages over a period of about 30-40 days, and adults mature in about three weeks to nine months but more frequently from two to four months.
A Vessel if full of milk, 7 litre of milk is taken out and replaced by water. This process is repeated once more, find the initial amount of milk in the...
How many kilograms of rice cost Rs. 60 per kg? must be mixed with 26 kg. of rice costing Rs. 42 per kg. so that there may be a gain of 12% by selling th...
A mixture contains alcohol and water in the ratio of 3:2. If 15 liters of water is added to the mixture, the ratio becomes 3:5. Find the initial quantit...
In what ratio must a grocer mix two varieties of tea worth Rs 60 / Kg and 65 /Kg so, that by selling the mixture at Rs 68.20/ Kg he may gain 10%.
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...
145 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...
When 10 litres of water is added to a mixture of milk and water, the ratio of quantity of milk and water becomes 4:5. Instead, if 20 litres of water had...
A jar contains a mixture of milk and water in the ratio 6:5, respectively. If 10-litres of the mixture is taken out, then the quantity of water left in ...
A 360-liter mixture consists of milk and water in a 5:4 ratio. If 7.5% of the mixture is removed and replaced with the same amount of water, what is the...
A vessel contains 250 litres mixture of water and milk in the ratio 3:7 respectively. (y+20) litres of water added in the mixture, so the new ratio of m...
