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Serco Reasoning Ability Questions with Answers
Posted on :25-04-2016
Directions for questions 1 to 4:
After months of talent searching for an administrative assistant to the president of the college the field of applicants has been narrowed down to 5--A, B, C, D, E .It was announced that the finalist would be chosen after a series of all-day group personal interviews were held. The examining committee agreed upon the following procedure
I. The interviews will be held once a week
II. 3 candidates will appear at any all-day interview session
III. Each candidate will appear at least once
IV. If it becomes necessary to call applicants for additional interviews, no more 1 such applicant should be asked to appear the next week
V. Because of a detail in the written applications, it was agreed that whenever candidate B appears, A should also be present.
VI. Because of travel difficulties it was agreed that C will appear for only 1 interview.
Q1. At the first interview the following candidates appear A, B, D. Which of the following combinations can be called for the interview to be held next week?
A. BCDB. CDEC. ABED. ABC
Q2. Which of the following is a possible sequence of combinations for interviews in 2 successive weeks?
A. ABC; BDEB. ABD; ABEC. ADE; ABCD. BDE; ACD
Q3. If A, B and D appear for the interview and D is called for additional interview the following week, which 2 candidates may be asked to appear with D?
A. I and IIB. I and III onlyC. II and III onlyD. III and IV only
Q4. Which of the following correctly state(s) the procedure followed by the search committee?
I. After the second interview all applicants have appeared at least once
II. The committee sees each applicant a second time
III. If a third session, it is possible for all applicants to appear at least twice
A. I onlyB. II onlyC. III onlyD. Both I and II
Directions for questions 5 to 8:
1. All G s are H s
2. All G s are J s or K s
3. All J s and K s are G s
4. All L s are K s
5. All N s are M s
6. No M s are G s
Q5. If no P s are K s, which of the following must be true?
A. All P s are J sB. No P is a GC. No P is an HD. If any P is an H it is a GE. If any P is a G it is a J
Q6. Which of the following can be logically deduced from the conditions stated?
A. No Ms are HsB. No M s that are not Ns are HsC. No Hs are MsD. Some M s are H sE. All M s are H s
Q7. Which of the following is inconsistent with one or more of the conditions?
A. All H s are G sB. All H s that are not G s are M sC. Some H s are both M s and G sD. No M s are H sE. All M s are H s
Q8. The statement: No L s are J s is
I. Logically deducible from the conditions stated
II. Consistent with but not deducible from the conditions stated
III. Deducible from the stated conditions together with the additional statement No J s are K s
A. I onlyB. II onlyC. III onlyD. II and III onlyE. Neither I, II nor III
Q9. In the following number series how many 4s are there which are immediately preceded by a pair of numbers whose product is more than the product of the pair of numbers immediately following 4?
5 3 4 6 4 8 9 4 7 6 4 5 7 4 8 44 8 0 2 3 4 3 1 4 7 2
A. 4B. 5C. 6D. 2E. None of these
Q10. What will come in place of the question mark (?) in the following series based on their positions in the English alphabet?
DGH JMN ? VYZ
A. PRSB. QSTC. OQRD. ORSE. None of these
Directions for questions 11 to 15:
The office staff of XYZ corporation presently consists of three bookkeepers--A, B, C and 5 secretaries D, E, F, G, H. The management is planning to open a new office in another city using 2 bookkeepers and 3 secretaries of the present staff. To do so they plan to separate certain individuals who do not function well together. The following guidelines were established to set up the new office.
I. Bookkeepers A and C are constantly finding fault with one another and should not be sent together to the new office as a team
II. C and E function well alone but not as a team, they should be seperated
III. D and G have not been on speaking terms and should not go together
IV Since D and F have been competing for promotion they should not be a team
Q11. If A is to be moved as one of the bookkeepers, which of the following cannot be a possible working unit.
A. ABDEHB. ABDGHC. ABEFHD. ABEGH
Q12. If C and F are moved to the new office, how many combinations are possible
A. 1B. 2C. 3D. 4
Q13. If C is sent to the new office, which member of the staff cannot go with C
A. BB. DC. FD. G
Q14. Under the guidelines developed, which of the following must go to the new office
A. BB. DC. ED. G
Q15. If D goes to the new office, which of the following is/are true
I. C cannot go
II. A cannot go
III. H must also go
A. I onlyB. II onlyC. I and II onlyD. I and III only
Directions for questions 16 to 19:
In a certain society, there are two marriage groups, red and brown. No marriage is permitted within a group. On marriage, males become part of their wives groups; women remain in their own group. Children belong to the same group as their parents. Widowers and divorced males revert to the group of their birth. Marriage to more than one person at the same time and marriage to a direct descendant are forbidden
Q16. A brown female could have had
I. A grandfather born Red
II. A grandmother born Red
III. Two grandfathers born Brown
A. I onlyB. III onlyC. I, II and IIID. I and II only
Q17. A male born into the brown group may have
A. An uncle in either groupB. A brown daughterC. A brown sonD. A son-in-law born into red group
Q18. Which of the following is not permitted under the rules as stated.
A. A brown male marrying his fathers sisterB. A red female marrying her mothers brotherC. A widower marrying his wifes sisterD. A widow marrying her divorced daughters ex-husband
Q19. If widowers and divorced males retained their group they had upon marrying which of the following would be permissible (Assume that no previous marriage occurred)
A. A woman marrying her dead sisters husbandB. A woman marrying her divorced daughters ex-husbandC. A widower marrying his brothers daughterD. A woman marrying her mothers brother who is a widower.
Directions for questions 20 to 22:
A certain city is served by subway lines A,B and C and numbers 1 2 and 3
When it snows , morning service on B is delayed When it rains or snows , service on A, 2 and 3 are delayed both in the morning and afternoon When temp. falls below 30 degrees farenheit afternoon service is cancelled in either the A line or the 3 line, but not both. When the temperature rises over 90 degrees farenheit, the afternoon service is cancelled in either the line C or the 3 line but not both.
When the service on the A line is delayed or cancelled, service on the C line which connects the A line, is delayed. When service on the 3 line is cancelled, service on the B line which connects the 3 line is delayed.
Q20. On Jan 10th, with the temperature at 15 degree farenheit, it snows all day. On how many lines will service be affected, including both morning and afternoon?
A. 2B. 3C. 4D. 5
Q21. On Aug 15th with the temperature at 97 degrees farenheit it begins to rain at 1 PM. What is the minimum number of lines on which service will be affected?
A. 2B. 3C. 4D. 5
Q22. On which of the following occasions would service be on the greatest number of lines disrupted?
A. A snowy afternoon with the temperature at 45 degree farenheitB. A snowy morning with the temperature at 45 degree farenheitC. A rainy afternoon with the temperature at 45 degree farenheitD. A rainy afternoon with the temperature at 95 degree farenheit
Q23. I am proceeding towards North. I take a turn to my right. After some time I take a turn to my left and again to my left. Then I go to my right. After some distance I again turn towards my right. The direction in which I am moving now ---.
A. EastB. WestC. NorthD. South
Q24. There are 6 consecutive numbers P, Q, R, S, T, U, not necessarily in that order. Given that, Q is 2 less that P, P is 3 less that T and R is 2 less than S, arrange them in an ascending order.
Q25. What was day on 12 January, 1979?