List of top Mathematics Questions on Ratio and Proportion asked in MAT

The ratio of the ages of A and B is 5:7. After 8 years, the ratio becomes 7:9. What is B's present age?

A bag contains 25-paise, 50-paise and 1-rupee coins in the ratio 4:2:5. If the total value of all the coins in the bag is Rs. 770, then find the value of all the 25 paise and 50 paise coins in the bag.