1. | Find the third proportional to 9 and 12 ? | |
2. | If a:b=1:2 and b:c=3:4 find a:b:c ? | |
3. | If the ratio of men to women at a party is 4:7, which of the following could be the number of people at the party ? | |
4. | A mixture contains alcohol and water in the ratio 4 : 3. If 5 litters of water is added to the mixture, the ratio becomes 4: 5. Find the quantity of alcohol in the given mixture ? | |
5. | Rs. 120 are divided among A, B, C such that A's share is Rs. 20 more than B's and Rs. 20 less than C's. What is B's share ? | |
6. | In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is ? | |
7. | In a mixture of 45 litters, the ratio of sugar solution to salt solution is 1:2. What is the amount of sugar solution to be added if the ratio has to be 2:1 ? | |
8. | Salaries of Ravi and Sumit are in the ratio 2:3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40:57. What is Sumit's salary ? | |
9. | A bag contains 50 P, 25 P and 10 P coins in the ratio 5: 9: 4, amounting to Rs. 206. Find the number of coins of each type respectively ? | |
10. | Pencils, Pens and Exercise books in a shop are in the ratio of 10: 2 : 3. If there are 120 pencils, the number of exercise books in the shop is ? | |