CPO SI SSC NUMERICAL APTITUDE ANSWER KEY HELD ON 12 DEC. 2010 C.P.O

1. if under root 2 = 256................ B
2. is equal to ................... B
3. IF a4+............................D
4. is equal to ..................... C 0
5. .11111+...........   C
6. a number when divided................D
7. The lcm of two.....................D 12
8. .001 is equivalent to..............D .1%
9. is equal to..................... A 8/5
10. (6.5*........................B 9
11. if the selling price of............ C 25%
12. if selling price of an article..... D 125
13. if then the value of p.......D 1
14. is simplified to..... C 0.3
15. the next.........D 127
16. the wrong.............. A 144
17.the ratio of the ................ B 5:7
18. simplif...........
19. under root 110 1/4 is equal to....... D 10.5
20 by what least.................. B 50
21. (.9*................ A 0.73
22. is equal to............ A 9.7
23. if 30% of............. B 1:4
24. two numbers are......... A
25. in an examination,................ A
26. a's income............D
27. if a:b................ C
28. if x:y.............C 0
29. two successive....... C 14.50%
30. 32 is what............D 40%
31. if the length............... B
32. the difference between.............B
33. if the ratio .......B 20
34. an article, which.........A 12%
35. two pipes..................D 8   1/4
36. the speeds............C 78
37.  two trains, D 72
38. a alone can complete...... C 6
39. tapas works.......B18
40 a sum of......... B
41, one man and ...........C 40
42. the simple...........D 3  1/3%
43. at some rate........A 5%
44. in an examination, the av.....A 600
45. there are 50.......C 49.9kg
46 a boat..........
47. 30 pens...... D 12
48 B 1980
49. C 1440
50. A 5520