3. The product of two positive numbers is 4752 and their ratio is 11:12. The smaller of these numbers is

4. Two numbers are in ratio 2:3. If 2 be subtracted from the first and 2 be added to the second, the ratio becomes 1:2. Find the sum of the numbers.

5. How to divide 3395 in ratio of 42 : 32 : 23?

6. a:b = 3:7 and b:c = 9:5. What is a:b:c?

7. Income ratio of Ramesh and Suresh is 5:6. Their spending ratio is 7:9. Ramesh saves 4000 and Suresh saves 3000. Income and spending respectively of Ramesh and Suresh are