Most aspirants are unlikely to disagree with the fact that it’s quantitative ability that is pivotal in most of the competitive examinations. In recent times it has got more prominence considering the fact that the cut-off has grown exponentially and it’s Mathematics that can help you secure the maximum marks provided correct approach and strategies are applied.
We make our best efforts to analyze and segregate those questions which are either based on new patterns or frequently repeated in last few years. Sincere efforts are required to be made to make sure these sums are solved within stipulated time because time management plays vital role in any exam particularly in Banking exams. There is prominent evidence to suggest that only precise strategies together with practicing relevant sums can help you break the cut-off barrier.
In other words, it’s not only how you solve but what you solve too can be deciding factor, that’s why we have attached some of the most prominent questions of Permutation and combination . Feel free to clarify, if you have any query, your inputs are always welcome.
4 professors and 6 research associates. In how many different
ways can this be done if :
The committee should have all 4 professors and 1 research
associate or all 3 trainees and 2 professors ?
(a) 12
(b) 13
(c) 24
(d) 52
(e) None of these
2. A committee of five members is to be formed out of 3 trainees,
4 professors and 6 research associates. In how many different
ways can this be done if :
The committee should have 2 trainees and 3 research
associates ?
(a) 15
(b) 45
(c) 60
(d) 9
(e) None of these
3. In how many different ways can the letters of the word
‘SECOND be arranged ?
(a) 720
(b) 120
(c) 5040
(d) 270
(e) None of these
4. In how many different ways can the letters of the word
‘SIMPLE’ be arranged ?
(a) 520
(b) 120
(c) 5040
(d) 270
(e) None of these
5. In how many different ways can the letters of the word
‘BELIEVE’ be arranged ?
(a) 840
(b) 1680
(c) 2520
(d) 5040
(e) None of these
6. In how many ways the letters of the word SACRED can be
arranged so that vowels come together ?
(a) 240
(b) 120
(c) 320
(d) 720
(e) None of these
7. In how many different ways can the letters of the word
‘THERAPY’ be arranged so that the vowels never come
together ?
(a) 720
(b) 1440
(c) 5040
(d) 3600
(e) 4800
8. 10 men and 8 women out of which 5 men are teachers, 3 men
doctors and businessmen. Among the women, 3 are teachers,
2 doctors, 2 researchers and 1 social worker.
A Committee of 5 in which 3 men and 2 women are there
(a) 3360
(b) 8568
(c) 4284
(d) 1680
(e) None of these
9.10 men and 8 women out of which 5 men are teachers, 3 men
doctors and businessmen. Among the women, 3 are teachers,
2 doctors, 2 researchers and 1 social worker.
A Committee of 4 in which at least 2 women are there
(a) 1260
(b) 1820
(c) 3060
(d) 1890
(e) None of these
10.10 men and 8 women out of which 5 men are teachers, 3 men
doctors and businessmen. Among the women, 3 are teachers,
2 doctors, 2 researchers and 1 social worker.
A Committee is 5 in which 2 men teachers, 2 women teach
ers and 1 doctor are there
(a) 75
(b) 150
(c) 214
(d) 20
(e) None of these
Answer
1 a
2 c
3 a
4 e
5 a
6 a
7 d
8 a
9 d
10 b
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