Quantitative Apitude-Ratio & Proportion
Quantitative Apitude-Ratio & Proportion
32. If a carton containing a dozen mirrors is dropped, whch of the following cannot be the ratio of broken mirrors to unbroken mirros ?
- 2 : 1
- 3 : 1
- 3 : 2
- 7 : 5
33. The ratio of two numbers is 3 : 4 and their sum is 420. The greater of the two numbers is :
- 175
- 200
- 240
- 315
34. The ratio between two numbers is 3 : 4 and their 1.c.m is 180. The first number is :
- 60
- 45
- 20
- 15
35. The L.C.M. and H.C.F. of two numbres x and y are l and h respectively. Then
- l : h = x : y
- x : h = l : y
- x : l = y : h
- x : h = y : l
36. A and B together have Rs 1210 with them. If 4/15 of A's amount is equal to 2/5 of B's amount, how much amount does B have ?
- Rs 466
- Rs. 484
- Rs 550
- Rs 664
37. Five bananas and four apples cost as much as three bananas and seven aples. The ratio of the cost of one banana to that of one apple is :
- 3 : 2
- 4 : 3
- 3 : 4
- 1 : 3
38. The salaries of A, B, and C are in the ratio of 1 : 2 : 3. The salary of B and C together is Rs 6000. By what percent is the salary of C more than that of A ?
- 100%
- 200%
- 300%
- 600%
39. The average age of three boys is 25 years and their ages are in the proportion 3 : 5 : 7. The age of the youngest boy is :
- 21 years
- 18 years
- 15 years
- 9 years
40. An amount of Rs. 2430 is divided among A, B and C such that if their shares be reduced by Rs. 5, Rs. 10 and Rs. 15 respectively, the remainders shall bein the ratio 3 : 4 : 5. The share B is :
- Rs 605
- Rs 790
- Rs 800
- Rs 810