Quantitative Apitude-Ratio & Proportion
Quantitative Apitude-Ratio & Proportion
21. If the ratio of A to B is 9 times the ratio of B to A, then A/b could be :
- 9
- 3
- 1/3
- 1/9
22. What is the ratio whose terms differ by 40 and the measure of which is 2/7 ?
- 16 : 56
- 10 : 50
- 20 : 70
- 36 : 76
23. Two numbers are in the ratio 3 : 5. If each number is increased by 10, the ratio becomes 5 : 7. The numbers are :
- 3, 5
- 12, 20
- 15, 25
- 18, 30
24. What same number must be added to each term of the ratio 7 : 13 so that the ratio become 2 : 3 ?
- 1
- 2
- 3
- 5
25. What number should be subtracted from both the terms of the ratio 15 ; 19 so as to make it as 3 : 4 ?
- 3
- 5
- 6
- 9
26. The least whole number which when subtracted from bth the terms of the ratio 6 : 7 to give a ratio less than 16 : 21, is :
- 2
- 3
- 4
- 6
27. The ratio between two numbers is 3 : 4. If each number is increased by 6, The ratio becomes 4 : 5. The difference between the numbers is :
- 1
- 3
- 6
- 8
28. What number should be added to each of the numbers 8 , 21, 13 and 31 so that the resulting numbers, in this order form a proportion ?
- 2
- 3
- 5
- 7
29. What number should be subtrated from each of the numbers 23, 30, 57 and 78 so that the remainders may be proportional ?
- 4
- 5
- 6
- 7