List of top Arithmetic and Mental Ability Questions on Ratio and Proportion

Rs. 24000 has to be shared between A and B in the ratio 7 : 5. Then B will get
Rs. 21600 has to be divided and paid to A and B in the ratio 2 : 7. Then B will get
Arjun and Kiran, friends, receive a bonus of Rs 2000 each in their bank accounts. They already have Rs. 47,000 and Rs. 54,000 in their respective bank accounts. What is the ratio of the amounts in their bank accounts after the bonus?
Ratio of milk and water in a mixture is 4:3 respectively. If 6 Litres of water is added to this mixture, the respective ratio of milk and water becomes 8:7. What is the quantity of milk in the original mixture?
In a class there are 48 students. The ratio of number of boys to number of girls is 5:3. The number of girls to be added to the class so that the number of boys to girls is 6:5 is?
X takes 4 hours to reach destination A from destination B. Y takes 8 hours to reach destination A from destination B. What would be the ratio of speed of X:Y ?
The cost of 12 fans and 21 tables is 30000. What is the cost of 8 fans and 14 tables?