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Name: Data sufficiency questions : Reasoning Quiz in English Part – 1
Subject: Reasoning
Topic: Data Sufficiency
Questions: 13 Objective Type Questions
Time Allowed: 30 Minutes
Language: English
Important for: SSC CGL, State PCS, UPSC IAS, IBPS PO, SBI PO, Police Exam, Infosys, GMAT, CAT and competitive and job exams.
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 Question 1 of 13
1. Question
1 pointsDirections (Questions 113): In each of the following problems, there is one question and three statements I, II and III given below the question. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find which of the statements is/are sufficient to answer the given questions. Choose the correct alternative in such questions.
What does ‘come’ represent in a code language?
I.‘pit na tac’ means ‘come and go’ in that code language.
II. ‘ja ta da’ means ‘you are good’ in that code language.
III. ‘na da rac’ means ‘you can come’ in that code language.CorrectTo find the code for ‘come’, we need to have two statements which have one common code word and ‘come’ as the common word, which is there in I and III.
IncorrectTo find the code for ‘come’, we need to have two statements which have one common code word and ‘come’ as the common word, which is there in I and III.
UnattemptedTo find the code for ‘come’, we need to have two statements which have one common code word and ‘come’ as the common word, which is there in I and III.
 Question 2 of 13
2. Question
1 pointsHow is ‘DATE’ written in the code language?
I. DEAR is written as $#@? in that code.
II. TREAT is written as %?#@% in that code.
III TEAR is written as %#@? in that code.CorrectObserving I, II and III, we find that similar letters have similar code symbols at the corresponding places in the code. So, this is directcoding.
Thus, to find the code for DATE, we need the code for D which can be obtained from I only (i.e. $) and the codes for A, T and E which can be obtained either form II or III (@,# and % respectively).IncorrectObserving I, II and III, we find that similar letters have similar code symbols at the corresponding places in the code. So, this is directcoding.
Thus, to find the code for DATE, we need the code for D which can be obtained from I only (i.e. $) and the codes for A, T and E which can be obtained either form II or III (@,# and % respectively).UnattemptedObserving I, II and III, we find that similar letters have similar code symbols at the corresponding places in the code. So, this is directcoding.
Thus, to find the code for DATE, we need the code for D which can be obtained from I only (i.e. $) and the codes for A, T and E which can be obtained either form II or III (@,# and % respectively).  Question 3 of 13
3. Question
1 pointsIn a certain code, ‘XYZ’ means ‘We are friends’. Which letter stands for ‘We’?
I. ‘PYN’ means ‘They are classmates’.
II. ‘ZMS’ means ‘We love them’.
III. ‘PX’ means ‘ Hello friends’.CorrectTo find the code for ‘we’, we need to have any of the following:
(i) ‘We are friends’ should have only ‘We common with another statement, as in II;
(ii) ‘We are friends’ Should have only ‘are’ and ‘friends’ common with another single or two statements, as in I and III.
Thus, we need Either II only or I and III only.IncorrectTo find the code for ‘we’, we need to have any of the following:
(i) ‘We are friends’ should have only ‘We common with another statement, as in II;
(ii) ‘We are friends’ Should have only ‘are’ and ‘friends’ common with another single or two statements, as in I and III.
Thus, we need Either II only or I and III only.UnattemptedTo find the code for ‘we’, we need to have any of the following:
(i) ‘We are friends’ should have only ‘We common with another statement, as in II;
(ii) ‘We are friends’ Should have only ‘are’ and ‘friends’ common with another single or two statements, as in I and III.
Thus, we need Either II only or I and III only.  Question 4 of 13
4. Question
1 pointsHow many sons does X have ?
I. Q and U are brothers of T.
II. R is sister of P and U.
III. R and T are daughters of X.CorrectFrom I, II and III, we conclude that all, P,Q, R, T and U are children of X. Of these, Q and U are male while R and T are female. But the sex of P cannot be determined.
IncorrectFrom I, II and III, we conclude that all, P,Q, R, T and U are children of X. Of these, Q and U are male while R and T are female. But the sex of P cannot be determined.
UnattemptedFrom I, II and III, we conclude that all, P,Q, R, T and U are children of X. Of these, Q and U are male while R and T are female. But the sex of P cannot be determined.
 Question 5 of 13
5. Question
1 pointsHow is the girl in the photograph related to Kunal ?
I. Pointing to the photograph, Kunal said, “She is the mother of my father’s only granddaughter”.
II. Kunal has no siblings.
III. Pointing to the photograph, Kunal said, “She is the only daughterinLaw of my mother.”CorrectFrom I, we conclude that the girl is either Kunal’s or his brother’s wife. But, according to II, Kunal has no siblings.
So, from both I and II, we conclude that the girl is Kunal,s wife.
From III, we find that the girl is the only daughterinLaw of Kunal’s mother i.e. she is Kunal’s Wife.IncorrectFrom I, we conclude that the girl is either Kunal’s or his brother’s wife. But, according to II, Kunal has no siblings.
So, from both I and II, we conclude that the girl is Kunal,s wife.
From III, we find that the girl is the only daughterinLaw of Kunal’s mother i.e. she is Kunal’s Wife.UnattemptedFrom I, we conclude that the girl is either Kunal’s or his brother’s wife. But, according to II, Kunal has no siblings.
So, from both I and II, we conclude that the girl is Kunal,s wife.
From III, we find that the girl is the only daughterinLaw of Kunal’s mother i.e. she is Kunal’s Wife.  Question 6 of 13
6. Question
1 pointsAmong P, Q, R, S and T, Q is the second tallest and S is immediate taller than the shortest. Who among them is in the middle when they stand in the order of their heights?
I. T is not the shortest.
II. R is taller than S but shorter than Q.
III. P ranks third in height above S when all are arranged in the order of height.CorrectFrom the given statement, the descending order of heights is: __, Q, __, S, __
From II, we have the order: __, Q, R, S, ___. Thus, R is in the middle.
From III, we have the order: P, Q, ____, S, ___. But, according to I, T is not the shortest.
So, R is the shortest. Thus, we have the order: P, Q, T, S, R. So, T is in the middle.IncorrectFrom the given statement, the descending order of heights is: __, Q, __, S, __
From II, we have the order: __, Q, R, S, ___. Thus, R is in the middle.
From III, we have the order: P, Q, ____, S, ___. But, according to I, T is not the shortest.
So, R is the shortest. Thus, we have the order: P, Q, T, S, R. So, T is in the middle.UnattemptedFrom the given statement, the descending order of heights is: __, Q, __, S, __
From II, we have the order: __, Q, R, S, ___. Thus, R is in the middle.
From III, we have the order: P, Q, ____, S, ___. But, according to I, T is not the shortest.
So, R is the shortest. Thus, we have the order: P, Q, T, S, R. So, T is in the middle.  Question 7 of 13
7. Question
1 pointsWho among Siddhartha, Nikunj, Vipul and Mukul is the youngest?
I. Vipul is younger than Mukul but older than Siddhartha and Nikunj.
II. Mukul is the oldest.
III. Siddhartha is older than Nikunj.CorrectFrom I, we have: M>V, V>S, V>N
From II, we have: Mukul is the oldest
From III, we have: S>N
Combining (i) and (iii), we get the order as : A, D, E, B, C. Clearly, E is sitting In the middle.IncorrectFrom I, we have: M>V, V>S, V>N
From II, we have: Mukul is the oldest
From III, we have: S>N
Combining (i) and (iii), we get the order as : A, D, E, B, C. Clearly, E is sitting In the middle.UnattemptedFrom I, we have: M>V, V>S, V>N
From II, we have: Mukul is the oldest
From III, we have: S>N
Combining (i) and (iii), we get the order as : A, D, E, B, C. Clearly, E is sitting In the middle.  Question 8 of 13
8. Question
1 pointsPankaj is younger than Sunita and Rupali is older then Tom. Who among them is the oldest?
I. Rupali is older than Pankaj.
II. Sunita is older than Rupali.
III. Tom is the youngest among all.CorrectGiven : P<S, T<R
From I, we have: P<R
From II, we have: R<S
From III, we have: Tom is the youngest
From (i) and (ii), we get: P<S, T<R<S. So sonali is the oldest.IncorrectGiven : P<S, T<R
From I, we have: P<R
From II, we have: R<S
From III, we have: Tom is the youngest
From (i) and (ii), we get: P<S, T<R<S. So sonali is the oldest.UnattemptedGiven : P<S, T<R
From I, we have: P<R
From II, we have: R<S
From III, we have: Tom is the youngest
From (i) and (ii), we get: P<S, T<R<S. So sonali is the oldest.  Question 9 of 13
9. Question
1 pointsFive Persons – A, B, C, D and E are sitting in a row. Who is sitting in the middle?
I. B is between E and C.
II. B is to the right of E.
III. D is between A and E.CorrectForm I, the order is : E, B, C or C, B, E.
From II, the order is : E, B.
From III, the order is : A, D, E.
Combining the above three, we get the order as: A, D, E, B, C. Clearly, E is sitting In the middle.IncorrectForm I, the order is : E, B, C or C, B, E.
From II, the order is : E, B.
From III, the order is : A, D, E.
Combining the above three, we get the order as: A, D, E, B, C. Clearly, E is sitting In the middle.UnattemptedForm I, the order is : E, B, C or C, B, E.
From II, the order is : E, B.
From III, the order is : A, D, E.
Combining the above three, we get the order as: A, D, E, B, C. Clearly, E is sitting In the middle.  Question 10 of 13
10. Question
1 pointsWho is the tallest among six boys, P, T, N, D, Q and R?
I. P is tallest than D and N but not as tall as T.
II. R is taller than Q but not as tall as T.
III. Q is not taller than T and R.CorrectFrom I, we have: P>D, P>N, T>P i.e. T>P>D>N or T>P>N>D
Form II, we have: R>Q, T>R i.e. T>R>Q
From III, we have: T>Q, R>Q
Clearly, from (i) and (ii), we conclude that T is taller than each one of P, N, D, R and Q. So T is the tallest.IncorrectFrom I, we have: P>D, P>N, T>P i.e. T>P>D>N or T>P>N>D
Form II, we have: R>Q, T>R i.e. T>R>Q
From III, we have: T>Q, R>Q
Clearly, from (i) and (ii), we conclude that T is taller than each one of P, N, D, R and Q. So T is the tallest.UnattemptedFrom I, we have: P>D, P>N, T>P i.e. T>P>D>N or T>P>N>D
Form II, we have: R>Q, T>R i.e. T>R>Q
From III, we have: T>Q, R>Q
Clearly, from (i) and (ii), we conclude that T is taller than each one of P, N, D, R and Q. So T is the tallest.  Question 11 of 13
11. Question
1 pointsFour subjects – Physics, Chemistry, Mathematics and Biology – were taught in four consecutive periods of one hour each starting from 8:00 a.m. At what time was the Chemistry period scheduled?
I. Mathematics period ended at 10:00 a.m., which was preceded by Biology.
II. Physics was scheduled in the last period.
III. Mathematics period was immediately followed by Chemistry.CorrectFrom I and II, we conclude that Mathematics period began at 9:00 a.m., Biology period began at 8.00 a.m. and Physics began at 11 a.m. So, the chemistry period began at 10:00 a.m.
IncorrectFrom I and II, we conclude that Mathematics period began at 9:00 a.m., Biology period began at 8.00 a.m. and Physics began at 11 a.m. So, the chemistry period began at 10:00 a.m.
UnattemptedFrom I and II, we conclude that Mathematics period began at 9:00 a.m., Biology period began at 8.00 a.m. and Physics began at 11 a.m. So, the chemistry period began at 10:00 a.m.
 Question 12 of 13
12. Question
1 pointsWhat is the total monthly salary of Vasu?
I. Vasu’s basic salary is Rs. 100 more than Rajan’s salary who also serves in Vasu’s company.
II. Other allowances drawn by Rajan besides his basic salary are Rs. 2000 per month which is Rs. 50 less than Vasu’s salary.
III. Rajan’s basic salary is Rs. 1550 per month.CorrectFrom III, we have: Rajan’s basic salary = Rs. 1550.
From I, we have: Vasu’s basic salary = Rs. (1550+100)= Rs. 1650.
Form II, we have: Rajan’s other allowances = Rs. 2000
and Vasu’s other allowances = Rs. 2050
Vasu’s monthely salary = Rs. (1650+2050)= Rs. 3700.IncorrectFrom III, we have: Rajan’s basic salary = Rs. 1550.
From I, we have: Vasu’s basic salary = Rs. (1550+100)= Rs. 1650.
Form II, we have: Rajan’s other allowances = Rs. 2000
and Vasu’s other allowances = Rs. 2050
Vasu’s monthely salary = Rs. (1650+2050)= Rs. 3700.UnattemptedFrom III, we have: Rajan’s basic salary = Rs. 1550.
From I, we have: Vasu’s basic salary = Rs. (1550+100)= Rs. 1650.
Form II, we have: Rajan’s other allowances = Rs. 2000
and Vasu’s other allowances = Rs. 2050
Vasu’s monthely salary = Rs. (1650+2050)= Rs. 3700.  Question 13 of 13
13. Question
1 pointsIn which year was Sanjay born?
I. Sanjay is six years older than Gopal.
II. Gopal’s brother was born in 1982.
III. Sanjay’s brother is two years younger than Gopal’s brother who was eight years younger than Gopal.CorrectForm II, we know that Gopal’s brother was born In 1982.
From III, we find that Gopla’s brother was 8 years younger to him I.e. Gopal was born in 1974.
From I, we find that Sanjay is 6 Years older than Gopal. Thus, Sanjay was born in 1968IncorrectForm II, we know that Gopal’s brother was born In 1982.
From III, we find that Gopla’s brother was 8 years younger to him I.e. Gopal was born in 1974.
From I, we find that Sanjay is 6 Years older than Gopal. Thus, Sanjay was born in 1968UnattemptedForm II, we know that Gopal’s brother was born In 1982.
From III, we find that Gopla’s brother was 8 years younger to him I.e. Gopal was born in 1974.
From I, we find that Sanjay is 6 Years older than Gopal. Thus, Sanjay was born in 1968