Question
Micro water shed has an area
ofSolution
Watershed is a geographical unit with a common natural drainage outlet. The extent varies from 500 (micro-watershed) to 5000 ha (sub-watershed).
A container holds a mixture of alcohol and water in the ratio 4:7, respectively. 25 liters of the mixture is drawn out and replaced with the same quanti...
Two alloys named 'X' and 'Y' contain gold and silver in the ratio of 3:2 and 7:5 respectively. If 100 grams of X and 120 grams of Y are mixed together, ...
A container contains 60 liters of a solution containing 25% alcohol. How many liters of pure alcohol must be added to make the alcohol concentration 40%?
From a container of Beer, a thief has stolen 25 litres of beer and replaced it with same quantity of water. He again repeated the same process. Thus in...
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A mixture (acetone and water) contains 40% acetone and rest 96 litres water. How much acetone should be added to the mixture to make the ratio of aceton...
There are two containers having equal quantities of mixtures of two chemical types A and B. The 1st container contains 30% of type A chemical whereas th...
A factory produces three alloys: X (30% copper), Y (50% copper), and Z (70% copper). An engineer combines these alloys in the ratio 3:2:1. If the total ...
