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An engineering approach to the development of high-quality software systems
The ratio of A's income to savings is 25:9, and B's expenditure is 60% of A's total income. If B's expenditure exceeds its savings by Rs. 3500, and A's ...
The sum of two numbers is 25 and their difference is 15. The ratio of the numbers is:
In a town, the ratio of males to females is 5:4. Among the males, 20% are children, and the rest are adults. If the adult male population is 4,500, what...
A is thrice as efficient as B and C is twice as efficient as B. What is the ratio of number of days taken by A, B and C when they work individually?
P gave out 'a' cookies to Q, R, S, and T. The cookies received by Q and S are in a 4:7 ratio, and those received by R and T are in a 2:3 ratio. If R rec...
A certain amount was divided among four people P, Q, R and S such that the amount obtained by S is 12.5% more than the amount obtained by Q. The amount ...
If the ratio between two numbers is 3: 5 and their LCM is 120, then the numbers are:
Two vessels contain mixtures of milk and water in the ratio 7:3 and 5:4, respectively. Equal quantities from both vessels are mixed to form a new mixtur...