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rrb Exam Pattern, rrb Questions with Answers Page 17

(#M40026082) RRB QUESTION 2011 QUESTION Keep an EYE

Which of the following is the closest approximation of (50.2 * 0.49) /199.8?
a) 1/10
b) 1/8
c) 1/4
d) 25/2

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(#M40026081) RRB QUESTION 2011 QUESTION Keep an EYE

29) There are 4 more women than men on centerville’s board of education. If there are 10 members on the board, how many are women?
a) 3
b) 5
c) 7
d) 8

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(#M40026080) RRB QUESTION 2011 QUESTION Keep an EYE

26) When a polygraph test is judged inconclusive,there is no reflection on the examinee.Rather,such a judgement means that the test has failed to show whether the examinee was truthful or untruthful.Nevertheless,employers will sometimes refuse to hire a job applicant because of an inconclusive polygraph test result.

Which of the following conclusions can most properly be drawn from the information above?
a) Most examinees with inconclusive polygraph test results are infact untruthful.
b) Polygraph tests should not be used by employers in the consideration of job applicants.
c) An inconclusive polygraph test result is sometimes unfairly held against the examinee.
d) A polygraph test indicating that an examinee is untruthful can sometimes be mistaken.
e) Some employers have refused to consider the results of polygraph tests when evaluating job applicants.

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(#M40026079) RRB QUESTION 2011 QUESTION Keep an EYE

25) If area of square region having sides of length 6 cms is equal to the area of rectangle region having width 2.5 cms, then length of rectangle in cms is:
a) 9.5
b) 14.4
c) 13.6
d) 8.5

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(#M40026078) RRB QUESTION 2011 QUESTION Keep an EYE

A students average score in 10 tests is 78. What must be the students score on a 5th test for the overall average score to become 80?

a) 80
b) 84
c) 82
d) 88

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(#M40026077) RRB QUESTION 2011 QUESTION Keep an EYE

22) The present ratio of students and teachers at a certain school is 30 to 1. If the student enrolment is to increase by 50 students and number of teachers by 5, the ratio of teachers would then be 25 to 1. Find the present number of teachers.
a) 15
b) 8
c) 10
d) 15

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(#M40026076) RRB QUESTION 2011 QUESTION Keep an EYE

16) If 75% of the class answered the first question of the test correctly, 55% answered the second question correctly and 20% answered neither of the questions correctly, what % answered both correctly?
a) 10
b) 20
c) 50
d) 65

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(#M40026075) RRB QUESTION 2011 QUESTION Keep an EYE

15) Guitar strings often go dead- become less responsive and bright in tone after a few days of intense use. A researcher whose son is a guitarist hypothesized that dirt and oil, rather than changes in the material properties of string were responsible. Which of the following investigations is most likely to yield significant information that would help the researcher evaluate his hypothesis?
a) Determining whether a metal alloy is used to make their strings go dead faster than do folk guitarists.
b) Determining whether identical string lengths of the same guage, go dead at different rates when strung on various brands of guitars.
c) Determining whether a dead string and a new string produce different qualities of sound.
d) Determining whether smearing various substances on new guitar strings causes them to go dead.

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(#M40026074) RRB QUESTION 2011 QUESTION Keep an EYE

14) College T has 1000 students, of the 200 students majoring in one or more sciences, 130 are majoring in chemistry and 150 are majoring in biology. If atleast 30 are not majoring in either chemistry or biology, then the number of students majoring both in chemistry and biology could be any number from:
a) 110 to 130
b) 40 to 70
c) 110 to 150
d) 20 to 30

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(#M40026073) RRB QUESTION 2011 QUESTION Keep an EYE

13) Country club has an indoor swimming club. 30% of members of a swim club passed the lifesaving test. Among the members who have not passed the test, 12 have taken the preparatory course and 30 have not taken the test. How many members are there in the swim club?
a) 60
b) 80
c) 110
d) 120

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