Question
Which of the following is not a principle of plant
disease control?Solution
The correct answer is D
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In a mixture of 315 litres, the ratio of petrol to diesel is 7:4. If βxβ litres of diesel is added to the mixture, such that the ratio of petrol to ...
A mixture contains 40 ml water and rest βxβ ml milk. When 0.5x ml of water is added to the mixture, the quantity of water becomes 2/5th of the mixtu...
There are two jars A and B which contain mixture of milk and water. Jar A has 40 litre milk and 6 litres water while B has 78 litres mixture of milk and...
640 litres of mixture βAβ contains milk and water in it. If mixture βAβ is mixed with 560 litres of mixture βBβ which contains water and sal...
A merchant mixes 9 kg of beans at Rs. 7 per kg with 6 kg at Rs. 5 per kg. What is the cost price (in Rs.) of the mixture per kg?Β
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?
A vessel has 20L of 25% acid solution. How much pure acid must be added to make it 40% acid?
Two alloys are combined to create a new alloy. The first alloy contains 20% copper, and the second alloy contains 40% copper. If the resulting alloy has...
160 ml of mixture A containing milk and water in the ratio of 3:2 respectively is mixed with another 160 ml of mixture B containing milk and water in th...