reasoning.html~

aptitude book by r s aggarwal

Sudhanshu is as much older than Kokila as he is younger than Praveen.<br>Nitin is as old as Kokila.<br>Which of the following is wrong?<br>
a)Kokila is younger than Praveen.<br>
b)Nitin is younger than Praveen.<br>
c)Sudhanshu is older than Nitin.<br>
d)Praveen is not the oldest.*<br>
e)Kokila is younger than Sudhanshu.<br><br>
Solution:<br>
=>Kokila < Sudhanshu;		Praveen > Sudhanshu;	Nitin = Kokila<br>
=>Nitin = Kokila < Sudhanshu < Praveen<br>
=>Praveen is the oldest.<br><br>

<u>SELECTION BASED ON GIVEN CONDITIONS</u><br>
A few essential criteria for selection of group of items are given:<br>

From amongst five doctors A,B,C,D and E;four engineers G,H,K and L;six teachers M,N,O,P,Q and R some teams are to be selected.A,B,G,H,O,P and Q are females and the rest are males.<br>
Where ever there is a male doctor ,no female teacher.<br>
Where ever there is a male engineer, no female doctor.<br>
There shall not be more than two male teachers in any team.<br>

1.If the team consists of 2 doctors,3 female teachers and 2 engineers,the members of the team are:<br>
a)A B O P Q G H*	b)C D O P Q G H		c)C D K L O P Q
d)D E G H O P Q<br><br>


2.If the team consists of 2 doctors,1 engineer and 4 teachers all the following are possible except<br>
a)A B G M N O P            b)A B H M O  P Q       c)A B H M  R P Q    d)A B K N R P Q*<br><br>

3.If the team consists of2 doctors,2 female teachers and two engineers all the following teams are possible except:<br>
a)A B G H O Q	b)A B G H P Q	c)A B K L P Q	d)O P G H A B<br><br>

4.If the team consists of 3 doctors,2 male engineers and 2 teachers,the members of the team could be:<br>
a)A B C K L M R	b)B C D K L N R	c)C D E K L M N	d)C D E K L P R<br><br>

5.if the team consists of two doctors,two engineers and two teachers,all the following teams are possible except:<br>
a)A B G H O P        b)A B G H M N		c)C E K L N R 	d)C D K L O P<br><br>


Explanation:Doctors  	A B C D E<br>
	    Engineers	G H K L<br>
	    Teachers	M N O P Q R<br>
Given
	    Females 	A B G H O P Q<br>
            Males 	C D E K L M N R<br>
Male doctor and female teacher<br>
male engineer and female doctor<br>
More than two teachers/team combination are not allowed.<br>

1Q) Explanation:<br>

Doctors are A B C D E<br>
Female teachers are O P Q<br>
Engineers are G H K L<br>
Male doctor and no female teacher => A,B are Doctors.<br>
So the Team consists of A B O P Q G H.<br><br>

2Q) Explanation:<br>

Teachers are M N O P Q R<br>
Four are needed<br>
Three are male teachers.<br>
Female teachers are also to be selected.<br>Hence no male doctors C D E are selected.<br>
So Doctors => A B<br>
Both doctors are Females =>no male Engineer to be selected.<br>
Ans:Team =>A B K N R P Q.<br><br>

3Q) Explanation:<br>

The doctors are A B C D E,<br>
Female Teachers are O P Q,<br>
Engineers are G H K L,<br>
Since 2 Female Teachers are to be selected.So male doctors i.e;C D E cannot be selected.<br>
So, 2 Doctors selected will be A,B.<br>
Both Doctors are Females.<br>
So, male Engineer K L cannot be selected.<br>
G H are chosen.<br>
=>A B K L P Q are selected.<br><br>

4Q)Explanation:

Doctors A,B,C,D,E<br>
Male Engineers K,L<br>
Teachers M,N,O,P,Q,R<br>
Male Engineers =>no female Doctors=>no A,B<br>
3 Doctors to be selected are C,D,E who are all males.<br><br><br><br>


<u>FAMILY BASED PROBLEMS</u><br>
There is a group of six persons A,B,C,D,E and F from a family.<br>
They are psychologist,manager,lawyer,jeweler,doctor and engineer.<br>
The doctor is the grandfather of F who is a psychologist.<br>
The manager D is married to A.<br>
C,the jeweler is married to the lawyer.<br>
B is the mother of F and E.<br>
There are two married couples in the family.<br><br>

1.What is the profession of E?<br>
a)Doctor	b)Jeweler 	c)Manager	d)Psychologist	e)None*<br><br>

2.How is A related to E?<br>
a)Brother	b)Uncle	c)Father	d)Grandfather*<br><br>

3.How many male members are there in the family?<br>
a)One		b)Three	c)Four		d)Data insufficient*<br><br>

4.What is the profession of A?<br>
a)Doctor*	b)Lawyer	c)Jeweler	d)Manager<br><br>

5.Which of the following is one of the pairs of couples in the family?<br>
a)AB		b)AC		c)AD*		d)can鈥檛 say<br><br>

Solution:<br>
	 F is a Psychologist.<br>
	 B is the mother of F and E.<br>
	 =>E is brother or sister of F.<br>
	 There are two married couples in the family.<br>
	 Since D is married to A,C the jeweler is married to lawyer B.<br>
	 Manager  D is married to A means A is doctor,grandfather of E and F.<br>
	So no one else is engineer till this point.=>E is engineer.<br>
		             AD--->CB------>EF<br><br><br><br><br>

Prashanth Arora has three children-Sangeeta,Vimal and Ashish.<br>Ashish married Monika,the eldest daughter of Mr.andMrs.Roy.<br>The Roys married their youngest daughter to the eldest son of Mr.and Mrs.Sharma,and they had two children named Amit and Shashi.<br>The Roys have two more children,Roshan and Vandana,both elder to Veena.<br>Sameer and Ajay are sons of Ashish and Monika.<br>Rashmi is the daughter of Amit.<br><br>

Prashanth Arora-------> 1.Sangeeta
                        2.Vimal
                        3.Ashish(Monika)--------------------> 1.Sameer
                                                              2.Ajay

Mr & Mrs.Sharma----------------> 1.Amit(Veena)---------------->1.Rashmi
                                                               2.Shashi

Mr & Mrs.Roy---------------------> 1.Monika
                                   2.Roshan
                                   3.Vandana
                                   4.Veena<br><br>
				   
				   
1.What is the surname of Rashmi?<br>
a)Sharma*	b)Roy	c)Arora 	d)can鈥檛 say	e)none<br><br>

2.How is Sameer related to father of Monika?<br>
a)Grandson*	 b)Son		c)Cousin	d)Son-in-law	e)none<br><br>

3.What is the surname of Sameer?<br>
a)Roy		b)Sharma	c)Arora*	d)can鈥檛 say	e)none<br><br>

4.How is Mrs.Roy related to Ashish?<br>
a)aunt 		b)Mother-in-law*	c)mother	d)sister-in-law<br><br><br><br>


In a family of six persons,there are three generations.<br>Each person has seperate profession and also they like different colours.<br>There are two couples in the family.<br>Rohan is a CA and his wife neither is a doctor nor likes green colour.<br>
Engineer likes red colour and his wife is a teacher.<br>Mohini is mother-in-law of Sunita and she likes orange colour.<br>Vinod is grandfather of Tanmay,Tanmay is principal likes black colour.<br>Nanu is granddaughter of Mohini and she likes blue colour.<br>Nanu鈥檚 mother likes white colour.<br><br>

1.Who is an Engineer?<br>
a)Nanu		b)Mohini	c)Sunita	d)can鈥檛 say	e)none*<br><br>

2.What is the profession of Sunita?<br>
a)engineer	b)doctor	c)teacher*	d)can鈥檛 say	e)none<br><br>

3.Which of the following is the correct pair?<br>
a)Mohini-Vinod and Rohan-Sunita*<br>
b)Vinod-Mohini and Rohan-Nanu<br>
c)Rohan-Sunita and Tanmay-Nanu<br>
d)can鈥檛 say 	e)none<br><br>

4.How many ladies are there in the family?<br>
a)2	b)3*	c)4	d)can鈥檛 say	e)none<br><br>

5.Which colour is liked by CA?<br>
a)green*	b)white	c)white/green	d)can鈥檛 say	e)none<br><br>

Solution:<br>
(Engineer) Vinod- Mohini(Teacher)------------->(CA)Rohan-Sunita---------->Nanu&Tanmay(principal) 

Vinod------------Red
Mohini-----------Orange
Rohan-------------Green
Sunita--------------White
Nanu---------------Black
Tanmay-----------Black

Mohini is mother-in-law of Sunita and grandmother of Nanu.
Vinod is grandfather of Tanmay.
So,Nanu and Tanmay represent third generation.
Mohini and vinod form a couple and represent first generation.
Rohan and Sunita form the other couple and represdent second generation.
Rohan is a CA.
Since,engineer is married,Vinod is engineer.
Given Vinod loves red colour.
Mohini is ateacher and likes Orange colour.
Nanu likes blue colour.
Tanmay is principal and likes black colour.
Sunita Nanu鈥檚 mother likes white colour.=>Rohan likes green colour.
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