A team of five is to be selected from amongst five boys A, B, C, D and E and four girls P, Q, R and S. Some criteria for selecation are :
A and S have to be together.
P cannot be put with R.
D and Q cannot be together.
C and E have to be together.
R cannot be put with B.
Unless otherwise stated, these criteria are applicable to all the question below :
If two of the members are girls and D is one of the members, the members of the team other than D are :
Answer: C
If D is selected, Q cannot be selected. So, P Q B C and P Q C E are not correct.
S and A have to be together. So, P S C E is also wrong.
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If A and C are members, the other members of the team cannot be :
Answer: D
If A and C are members, S and E have also to be selected. So, P Q E is not the correct combination.
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If including P at least three members are girls, the members of the team other then P are :
Answer: A
P and R cannot be together. So, R S A D is wrong.
S and A have to be together. So, Q S B D and Q S C E are incorrect.
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A training college has to conduct a refresher course for teachers of seven different subjects -- Mechanics, Psychology, Philosophy, Sociology, Economics, Science and Engineering from 22nd July to 29th July.
Course should start with Psychology.
23rd July, being Sunday, should be holiday.
Science subject should be on the previous day of the Engineering subjects.
Course should end with Mechanics subject.
Philosopy should be immediately after the holiday.
There should be a gap of one day between Economics and Engineering.
The refresher course will start with which one of the following subjects ?
Answer: A
The course starts with Psychology. So, Psychology will be on the 22nd, 23rd being a Sunday will be a holiday. Science will be before Engineering and Economics, Science and Engineering. Mechanics will be the last i.e., on 29th. So, Sociology will fill the gap on the 28th.
Thus, we have :
|
22nd |
23rd |
24th |
25th |
26th |
27th |
28th |
29th |
|
Psychology |
Sunday |
Philosophy |
Economics |
Science |
Engineering |
Sociology |
Mechanics |
So, The course will start with Psychology
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Which subject will be on Tuesday ?
Answer: C
The course starts with Psychology. So, Psychology will be on the 22nd, 23rd being a Sunday will be a holiday. Science will be before Engineering and Economics, Science and Engineering. Mechanics will be the last i.e., on 29th. So, Sociology will fill the gap on the 28th.
Thus, we have :
|
22nd |
23rd |
24th |
25th |
26th |
27th |
28th |
29th |
|
Psychology |
Sunday |
Philosophy |
Economics |
Science |
Engineering |
Sociology |
Mechanics |
So, Economics will be on Tuesday, the 25th.
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Which subject precedes Mechanics ?
Answer: E
The course starts with Psychology. So, Psychology will be on the 22nd, 23rd being a Sunday will be a holiday. Science will be before Engineering and Economics, Science and Engineering. Mechanics will be the last i.e., on 29th. So, Sociology will fill the gap on the 28th.
Thus, we have :
|
22nd |
23rd |
24th |
25th |
26th |
27th |
28th |
29th |
|
Psychology |
Sunday |
Philosophy |
Economics |
Science |
Engineering |
Sociology |
Mechanics |
So, Sociology precedes Mechanics.
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How many days' gap is there between Science and Philosophy ?
Answer: A
The course starts with Psychology. So, Psychology will be on the 22nd, 23rd being a Sunday will be a holiday. Science will be before Engineering and Economics, Science and Engineering. Mechanics will be the last i.e., on 29th. So, Sociology will fill the gap on the 28th.
Thus, we have :
|
22nd |
23rd |
24th |
25th |
26th |
27th |
28th |
29th |
|
Psychology |
Sunday |
Philosophy |
Economics |
Science |
Engineering |
Sociology |
Mechanics |
So, There is only one day gap between Philosophy and Science
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Which subject is followed by Science ?
Answer: D
The course starts with Psychology. So, Psychology will be on the 22nd, 23rd being a Sunday will be a holiday. Science will be before Engineering and Economics, Science and Engineering. Mechanics will be the last i.e., on 29th. So, Sociology will fill the gap on the 28th.
Thus, we have :
|
22nd |
23rd |
24th |
25th |
26th |
27th |
28th |
29th |
|
Psychology |
Sunday |
Philosophy |
Economics |
Science |
Engineering |
Sociology |
Mechanics |
So, Economics is followed by Science.
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The Director of the Institute has announced that six guest lectures on different areas link Leadership, Decision Making, Quality Circles, Motivation, Assessment Centre and Group Discussion are to be organised only one on each day from Monday to Sunday.
Motivation should be organised immediately after Assessment Centre.
Quality Circle should be organised on Wednesday and should not be followed by Group Discussion.
Decision Making should be organised on Friday and there should be a gap of two days between Leadership and Group Discussion.
One day there will be no lecture (Saturday is not that day), just before that day Group Discussion will be organised.
Which of the pairs of lectures were organised on first and last day ?
Answer: E
The correct order is :
|
Monday |
Tuesday |
Wednesday |
Thursday |
Friday |
Saturday |
Sunday |
|
Group Discussion |
x |
Quality Circle |
Leadership |
Decision Making |
Assessment Centre |
Motivation |
So, The first lecture is on Group Discussion and the last one is on Motivation
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How many lectures are organised between Motivation and Quality Circle ?
Answer: C
The correct order is :
|
Monday |
Tuesday |
Wednesday |
Thursday |
Friday |
Saturday |
Sunday |
|
Group Discussion |
x |
Quality Circle |
Leadership |
Decision Making |
Assessment Centre |
Motivation |
So, Three lectures are organised between Motivation and Quality Circle -- Assessment Centre, Decision Making and Leadership.
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