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Chlorine, primarily from man-made chemicals like chlorofluorocarbons (CFCs), is a major contributor to ozone layer depletion. These compounds release chlorine atoms when they break down in the stratosphere, leading to the destruction of ozone molecules.
70 percent of first number is equal to 40 percent of the second number. What is the respective ratio of the first number to the second number?
A stone worth Rs.3800 drops and breaks with weight in the ratio 2:3:5. The price of stone is directly proportional to square of its weight. Find the tot...
The total number of students in a school is 24600. If the ratio of boys to the girls in the school is 75:89 respectively, then find the total number of ...
The cost of a piece of diamond varies with the square of its weight. A diamond of Rs.9720 value is cut into 3 pieces whose weights are in the ratio 4: 3...
The incomes of A, B, and C are in the ratio 3:4:5, and their expenditures are in the ratio 2:3:4. If A saves ₹2,000, what is the income of C?
Ratio of males to females in village ‘A’ and village ‘B’ is 9:10 and 17:18, respectively and number of females in village ‘B’ is 25% more th...
A plot has to be divided among P, Q and R in the ratio 3:5:7 respectively. If the area of plot received by R is 4200m² more than the area of plot recei...
Find the mean proportion of 8.4 and 18.9.
Determine the mean proportion of 40 and 19.6
If A:B = 7:6 and B:C = 12:15 respectively, then find the value of (A + C) :(A + B) .
