Question
What percentage of organic matter is present in soil by
volume?Solution
Soil composition by volume is 45% mineral matter, 25% water, 25% air, and 5% organic matter.
In an office, the ratio of the number of males to number of females is 11:7. If 2 males joined the class and 6 females left the class, then the ratio of...
In the comparison between Colleges P and Q, the student ratio is 6:5, and in the relation between Colleges R and P, the ratio is 13:10. Additionally, th...
The ratio of the incomes of Vineet and Vidya is 8:3 respectively. Vineet saves 30% of his income while Vidya saves 20% of his income. The sum of their e...
54% of the first number is 90% of the second number. What is the ratio of the first number to the second number?
A sum of Rs.6600 is to be divided among 3 brothers, 2 sisters and 1 aunt. If each sister receives four times as much as each aunt and each brother recei...
Naresh, Dinesh, and Ramesh became partners in a business by investing money in the ratio of 3: 6: 8. If their investments are increased by 5%, 15%, and ...
The ages of A, B and C are in the ratio of 5:4:8 respectively. If the sum of their ages is 51 years, then find the age of B.
If 'a' is the mean proportion of 12.8 and 0.8 and 'b' is the third proportional to 1.2 and 4.8, then find (a + b) :(b - a) .
If A : B = 7:4 and A is 18 more than B then find the sum of A and B.
84 is divided into two parts in such a way that the fourth part of the first part and the fifth part of the second are in the ratio 1 : 2. The first par...
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