Three positive numbers are in the ratio 2:3:4. The sum of their squares is 2349. What is the average of the largest and the second largest number?
In a class, the ratio of number of boys to number of girls is 12:11. If 3 boys joined the class and 1 girl left the class, then the ratio becomes 7:6. F...
If the third proportion of 14 and 28 is “0.5k”, then find the value of (k − 10) : (k + 8).
In 2020, the incomes of A and B were in the ratio 8:5, and their expenses were in the ratio 5:3. A’s savings in 2020 exceeded B’s savings by ₹5,00...
What is the fourth proportional to 3, 8, 15?
In a clothing store, the ratio of shirts to trousers to T-shirts is 2:6:5. After Y trousers are sold, the ratio of shirts to trousers changes to 4:9. Th...
An amount is distributed among A, B, C, and D in the ratio 6:9:4:5 respectively. If the amount received by B is Rs. 1,350 , then find the amount receiv...
Find the fourth proportion of (k + 2), (3k + 6) and (5k + 10). (Note: 'k' is the smallest odd prime number.)
The ratio of two numbers ‘A’ and ‘B’ is 5:8, respectively. If 15 is added to each of ‘A’ and ‘B’, then the ratio of ‘A’ and ‘B’ ...
The incomes of A and B are in the ratio 4 : 5 and their expenditures are in the ratio 3 : 4. If each saves Rs 4,000, find the income of B.
