Petroleum is a mixture of hydrocarbons, which primarily include alkanes, cycloalkanes, and aromatic hydrocarbons. It also contains small amounts of other compounds containing sulfur, nitrogen, and oxygen.
54% of the first number is 90% of the second number. What is the ratio of the first number to the second number?
The cost of diamond varies directly as the square of its weight. A diamond broke into four pieces with weights in the ratio 3 : 4 : 5 : 6. if the loss i...
If 60% of a certain number is equal to 2/5th of another number, what is the ratio between the numbers?
P, Q and R together started a business. Five times the investment of P equals six times the investment of Q and the capital of Q is twice that of R. Fin...
The ratio of the two numbers is 7:13. 150% of the first number is equal to the 60% of the second number. Find the sum of both the numbers.
Marks scored by A and B in a test are in the ratio 12:5 respectively. If B had scored 5 more marks, then marks scored by A would be 20% more than that o...
Marks scored by A and B in a test are in the ratio 13:9 respectively. If B had scored 8 more marks, then marks scored by A would be 30% more than that o...
Ratio of monthly income to monthly expenditure of A is 11:9, respectively and monthly savings of A is Rs. 2880. Find the monthly income of A.
The total amount of money with three people is Rs 10500. If the ratio of amount with first person and second person is 7:3 and the ratio of amount with ...
A starts a business with Rs. 75,000 and B joins the business 5 months later with an investment of Rs. 80,000. After 1 year, they earn a profit of Rs. 4,...
