Quantitative Apitude-Ratio and Proportion
Quantitative Apitude-Ratio and Proportion
1. A and B together have Rs. 1210. If of A's amount is equal to of B's amount, how much amount does B have?
- Rs. 460
- Rs. 484
- Rs. 550
- Rs. 664
2. Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:
- 2 : 5
- 3 : 5
- 4 : 5
- 6 : 7
3. A sum of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B's share?
- Rs. 500
- Rs. 1500
- Rs. 2000
- None of these
4. Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?
- 2 : 3 : 4
- 6 : 7 : 8
- 6 : 8 : 9
- None of these
5. In a mixture 60 litres, the ratio of milk and water 2 : 1. If the this ratio is to be 1 : 2, then the quanity of water to be further added is:
- 20 litres
- 30 litres
- 40 litres
- 60 litres
6. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
- 8 : 9
- 17 : 18
- 21 : 22
- Cannot be determined
7. 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?
- Rs. 17,000
- Rs. 20,000
- Rs. 25,500
- Rs. 38,000
9. The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:
- 20
- 30
- 48
- 58
10. If Rs. 782 be divided into three parts, proportional to : : , then the first part is:
- Rs. 182
- Rs. 190
- Rs. 196
- Rs. 204