Question Bank (1)  Logical Reasoning  Hemant Malhotra

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Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q16) Six persons ¬ Bimal, Kamal, Vimal, Amal, Parimal and Umal arrived at a party at different timings. They sat in six seats placed in a row.
It is also known that
(i) Parimal sat to the immediate left of Kamal.
(ii) The person who was the third to arrive at the party is at the extreme right.
(iii) Amal is not to the extreme left and among the people who are to his right only one person came before him.
(iv) Umal is 5 from extreme right and he is not the first or the last person to come.
(v) There is only one person between the person who came first and the person who came last and Bimal is the first person to come.
(vi) All the persons who sat to the left of Vimal, who is not to the extreme left, came before him.1  Who was the last person to arrive at the party?
a) Umal
b) Bimal
c) Vimal
d) Cannot be determined2  Who is the person who sat 3 from extreme left?
a) Amal
b) Vimal
c) Bimal
d) Parimal3  Who is the 4 person to arrive at the party?
a) Amal
b) Umal
c) Kamal
d) Either Amal or Kamal

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q17) Mr. Baha Man had locked his pet dogs in his room and instructed his three sons – Woof, Arf and Grrr – to keep a watch over them while he was away. When he came back, he found that there were no dogs in the room. When he came to know that exactly one of his sons had let the dogs out, he angrily shouted at them, “WHO LET THE DOGS OUT?” Frightened, each son gave two replies to the question, as given below:
Woof : Arf did. Grrr didn’t.
Arf : I didn’t. Woof did.
Grrr : Woof didn’t. Arf didn’t.If it is known that of the statements given by each son at least one was true, then which son let the dogs out?
a) Woof
b) Arf
c) Grrr
d) Cannot be determined

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q18) A family consists of eight members – J, K, L, M, N, O, P and Q, in which there are persons belonging to three generations and three married couples. The number of males is equal to the number of females. N and O are cousins and L is the father of O, O is the nephew of P. K, who is the only child of his parents, is M’s brother¬in¬law. J and P are of different gender.
1  How is N related to M?
a) Daughter
b) Daughter¬in¬law
c) Niece
d) Son2  How is Q related to O?
a) Grandson
b) Grandmother
c) Mother
d) Cannot be determined3  How is J related to K?
a) Son¬in¬law
b) Father¬in¬law
c) Father
d) Cannot be determined4  Which among the following is definitely true?
a) Q is the mother of K.
b) J is the father of L.
c) M is the Aunt of N.
d) None of these

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q19) Eight persons – A through H are sitting around a circular table. Neither A nor G sits adjacent to B or D. Neither B nor D sits opposite A or G. Neither A nor G sits adjacent to E or F. If D is sitting opposite H, who is sitting to the right of A, then who is sitting between G and D?
a) H
b) C
c) B
d) Cannot be determined

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q20) World’s top 200 tennis players took part in French open tournament and Wimbledon tournament. Among the players, who took part in singles or doubles events, 60% took part in doubles event and 50% took part in the French open tournament. Among those who participated in French Open tournament 60% took part in singles. 20% of the players took part in both singles and doubles events. Every player who participated in singles and double events of a tournament, has participated in both the events of the other tournament as well.
How many players took part in only Doubles?
a) 60
b) 40
c) 80
d) 100

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q21) In a colony, 100 persons visited U.S., 80 visited U.K. and 60 visited Canada. 100 visited at least two of the above three countries. 30 visited all the three countries. 50 visited none of the three countries. What is the number of persons in the colony?
a) 180
b) 210
c) 160
d) Cannot be determined.

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q22) Eight boys – A through H are seated around a circular table.
We know the following additional information.
(i) B is adjacent to neither D nor F.
(ii) D and F are opposite each other.
(iii) A is to the left of H.
(iv) H is neither opposite B nor adjacent to F.
(v) C and G are opposite each other.Who is sitting to the left of E?
a) F
b) A
c) B
d) Cannot be determined

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q23) Following information is known about four persons A, B, Q and P, standing at four different points.
(i) Both A and P are equidistant from B.
(ii) B, like A, is standing equidistant from both P and Q. However, distance from P to Q is twice the distance from A to B.1  If Q is to the north of A, then what is the direction of A with respect to B?
a) Southwest
b) South
c) Southeast
d) Cannot be determined2  If B is to the south of Q, then what is the direction of P with respect to Q?
a) South
b) North
c) Southwest
d) Cannot be determined3  If distance from B to P is 10km, then what is the distance from Q to A?
a) 10√2 km
b) 10 km
c) 10√3 km
d) 10/√2km4  Three of the following four are alike in a certain way and hence form a group. Find the one that does not belong to the group.
a) ABQ
b) QBA
c) ABP
d) APQ

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Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q24) In the game shown below, 6 moves have been made. Maithli is playing with crosses (X) and Gautam with zeroes (0). However, we do not know who started the game.
Who will win this game?
(1) Maithli
(2) Gautam
(3) Cannot Be Determined
(4) Maithli starts the game, and Gautam wins
(5) Gautam starts the game and Gautam win

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q25) At the snack cafe at a party, Ali, Bina, Champak and Diya are eating cookies. There are five kinds of cookies to choose from  chocolate chip cookies, oatmeal cookies, sugar cookies, peanut butter cookies and raisin cookies. Each of these four people eats at least two kinds of cookies. Their choices are governed by the following rules :
 At most two of them eat oatmeal cookies
 At least two of them eat sugar cookies
 Ali does not eat any sugar cookies
 Bina and Champak do not eat the same type of cookies Bina eats chocolate chip cookies.
 Champak eats sugar cookies
 No one eats both raisin cookies and sugar cookies
 If someone eats raisin cookies, they also eat peanut butter cookies
Which one of the following must be true ?
(a) Champak eats chocolate chip cookies
(b) Ali eats chocolate chip cookies
(c) Bina does not eat peanut butter cookies
(d) Diya does not eat raisin cookiesIf Bina eats exactly three kinds of cookies, which one of the following must be true ?
(a) Champak eats exactly three kinds of cookies
(b) Diya eats only sugar cookies
(c) If Ali eats oatmeal cookies, Diya eats oatmeal cookies
(d) Champak eats oatmeal cookiesWhich one of the following cannot be true ?
(a) No one eats raisin cookies
(b) Ali and Diya both eat oatmeal cookies
(c) All and Diya both eat chocolate chip cookies
(d) Bina and Champak eat the same number of kinds of cookies.

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q26) In a matrimonial database of 30 girls, it is observed that only 12 of them are working, 19 of them are less than 23 years old and 25 of them never married before. It is also observed that there are 8 girls who never married before, but more than and equal to 23 years old and are not working anywhere. There are 2 girls, who are working, but married before and more than and equal to 23 years old. There is no such girl in the database, who has married before but not working.
What is the number of working girls listed in that database, who never married before?
(1) 5
(2) 6
(3) 7
(4) 8
(5) 9What is the number of nonworking girls listed in that database, who are less than 23 years old but never married before?
(1) 13
(2) 10
(3) 11
(4) 12
(5) cbd

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q27) Moiz has a machine into which he can put any number of one rupee coins. If he inserts n rupees, the machine returns 2n rupees. Each time he uses the machine, however, he must insert more money than he did on the previous use. If he starts with exactly Rs 1 and use the machine once, he will have Rs 2. On his next use of the machine, he is forced to insert Rs 2 yielding Rs 4, and on his third use of the machine, he can insert either Rs 3 or Rs 4 yielding a total of Rs 7 or Rs 8. The largest 2 digit integer Z such that it is impossible to obtain exactly Z rupees with the machine, starting with Rs 1 is

hemant_malhotra last edited by
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q28) The jailor of xyz had 6 fruits 3 oranges, 2 apples, and 1 pine apple. four prisoners101,102,103,104 are lined up one behind the other. the jailor helps them put the fruit on their head so that they cant see the fruit on their head.prisoner nuber 101 can see the fruit kept on heads of 102,103,104. prisoner number 102 can see fruit on 103 and 104 head. 103 can see fruit kept on 104's head. 104 cant see as no one is at the front of the line. now jailor asks prisoners to tell the name of fruit kept on their head. neither of the could reply.
what was the fruit on prisoners number 104's head?

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Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q29) Four students  Kali, Ranu, Dia and Dev  were asked the names of the heads of four labs  Alpha, Beta, Theta and Gama  in a college. The heads of these four labs are Mr. Hari, Mr. Karan, Mr. Ram and Mr. Arjun, in no particular order. Ranu named Mr. Ram as Alpha's head and Mr. Arjun as Theta's head. Both Kali and Dia named Mr. Hari as Gama's head. Kali didn't name Mr. Karan as Theta's head. No two students named the same person as the head in case of lab Beta. Dia and Dev named the same person as the head in case of exactly two of the four labs. No other pair of students, apart from Dia and Dev, named the same person as the head in case of these two particular labs. The person, who was named as the head of a different lab by each student, was identified correctly by Dev and it was Dev's only correct answer. Ranu gave exactly two correct answers
Who is the head of lab Alpha?
a Mr. Ram
b Mr. Arjun
c Mr. Hari
d Mr. KaranFor which lab did none of the students give the name of the correct head?
a Alpha
b Beta
c Theta
d GamaWhich student did not give any correct answer?
a Dia
b Kali
c Either (a) or (b)
d Both (a) and (b)

hemant_malhotra last edited by hemant_malhotra
Director at ElitesGrid  CAT 2017  QA 100 Percentile / CAT 2016  QA : 99.94, LRDI  99.70% / XAT 2017  QA : 99.975
Q30) Find the rank of all the teams.


@hemant_malhotra box 2

@hemant_malhotra Raja

@KushalKhandelwal Correct.
Considering 1, 2 and 3 can lie at the same time without contradicting each other, 4 should have said the truth.
So 3 stole the wallet
