IBPS CLERK Prelims Study Planner 2018-Probability / Permutation-Day 9
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IBPS CLERK Prelims Study Planner 2018-Probability / Permutation-Day 9
Dear Bankersdaily Aspirants,
After the SBI PO, SBI CLERK & IBPS PO Exams IBPS Clerk will be the most expected one to crack the banking job for many aspirants.Since Ibps has also changed the exam pattern similar to SBI,we are providing practise sets in basis of IBPS CLERK 15 Days Study Planner.
Students are advised to practise the questions regularly and crack the IBPS Clerk 2018 which will be held shortly.Since this will be the dream job for most of the aspirants everyone should work hard and act smart to achieve their own destination.
We at Bankersdaily will be providing daily questions for the IBPS CLERK Prelims Exam 2018 through this IBPS CLERK Prelims 2018 – Study Planner to assist the aspirants in their preparation. All the Three sections Quants, Reasoning and English Langauge questions will be available regularly in Bankersdaily.
Quizzes will be released every day by the timing given below:
- Quantitative Aptitude – 8:00 P.M
- Reasoning Ability – 8:15 P.M
- English Language – 8:30 P.M
Q.1) A box containing 4 red, 5 black, 3 green and remaining three are white. If three balls are selected randomly, then find the probability that none is white?
a)
b)
c)
d)
e) None of these
Q.2) A company has 4 men and 5 women employees. From which 4 employees have to be chosen, what is the probability that exactly 2 women are chosen?
a)
b)
c)
d)
e) None of these
Q.3) There are 6 men and 4 women in which 4 members to be selected to form a committee. In how many ways at most 2 men can be there in the committee?
a) 154
b) 164
c) 148
d) 115
e) 136
Q.4) A bag contains 7 white balls, 6 Black balls, 4 Red balls and some blue balls. If two balls drawn at random from the bag and probability of that two balls are blue balls is 10/231, then find the number of blue balls in the bag?
a) 4
b) 6
c) 8
d) 7
e) None of these
Q.5) Bag A contains 5 blue balls and 7 white balls. Bag B contains 4 blue balls and 5 white balls. If one bag is selected at random, and in that bag one ball is drawn then what is the probability of that ball being a blue ball?
a) 31/72
b) 33/73
c) 37/75
d) Cannot be determined
e) None of these
Q.6) In how many number of ways 2 boys and 2 girls can be selected from 4 boys and 5 girls?
a) 120
b) 80
c) 90
d) 50
e) 60
Q.7) There are 4 men and 5 women out of which 3 members are selected to form a committee, in how many ways at least two men will be in the committee?
a) 34
b) 36
c) 42
d) 48
e) None of these
Q.8) There are 4 men and 5 women out of which 3 members are selected to form a committee, in how many ways at least two men will be in the committee?
a) 34
b) 36
c) 42
d) 48
e) None of these
Q.9) In how many ways can the letters of the word ‘BEYOND’ be arranged such that there are either 2 or 3 letters between two vowels?
a) 1440
b) 560
c) 240
d) 720
e) None of these
Q.10) In how many ways, the letters of the word ‘Monday’ can be arranged if all the vowels occurs together?
a) 360
b) 480
c) 720
d) 1440
e) 240
Explanations
Q.1) c
Q.2) c
Total man =4
Total woman =5
Required probability =
Q.3) d
Required number of ways =
Q.4) e
Required probability ,
X = 5 balls
Q.5) a
Required probability =
Q.6) e
Q.7) a
Total number of ways =
Q.8) d
Q.9) c
If there is 2 letters between E and O
E and O can take places (1 and 4), (2 and 5) and (3 and 6). Also O and E can be arranged in 2! Ways. Rest of the four letters can be arranged in 4! Ways.
Number of ways = 3×2! × 4! = 144
If there is 3 letters between O and E
O and E can take places (1 and 5) and (2 and 6). Also O and E can be arranged in 2! Ways. Rest of the four letters can be arranged in 4! Ways.
Number of ways= 2 ×2! × 4! = 96
Total number of ways = 96 + 144 = 240 ways
Q.10) e
Required ways = 5!×2!=240
Aspirants can check the Whole planner of IBPS CLERK Prelims Exam 2018 from the below given link.
IBPS CLERK prelims Exam 2018 – Planner
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