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Reasoning Aptitude

DATA SUFFICIENCY MCQs

Total Questions : 590 | Page 51 of 59 pages
Question 501. Question : In a row of five children A, B, C, D and E, who is standing in the middle ?
Statements :
I. D is to the immediate right of E and B is to the immediate left of E.
II. B is at the extreme left of the row.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option E. -> Both I and II are sufficient
From I, we have the order: B, E, D.
From II, B is at the extreme left of the row.
Thus, considering both I and II, we conclude that among the five children, D is the third and hence the middle child in the row.
Question 502. Question : What is Sumit's position from the right end in a row of children?
Statements :
I. There are 10 children between Sumit and Rajan.
II. Rajan is twentieth from the left end of the row of children.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option D. -> Neither I nor II is sufficient
Clearly, neither the number of children in the row is given nor the position of Sumit relative to Rajan is mentioned in any one of I or II.
Question 503. Question : In a certain code, 'nop al ed' means They like flowers'. Which code word means 'flowers' ?
Statements :
I. 'id nim nop' means 'They are innocent'.
II. 'gob ots al' means 'We like roses'.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option E. -> Both I and II are sufficient
In the given statement and I, the common word is 'They' and the common code word is 'nop'. So, 'nop' is the code for 'They'.
In the given statement and II, the common word is 'like' and the common code word is 'al'. So, 'al' is the code for 'like'.
Thus, in the given statement, 'ed' is the code for 'flowers'.
Question 504. Question : What is the code for 'mangoes' in the code language ?
Statements :
I. In that code language, 'Te Le Pa Na' means 'You eat many mangoes' and 'Le Na Da' means 'You sell mangoes'.
II. In the code language, 'Ge Na Se La Le' means 'They eat bananas and mangoes' and 'Ne De Le La' means 'Who others eat bananas'.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option E. -> Both I and II are sufficient
In 'You eat many mangoes' and 'Who others eat bananas', the common word is 'eat' and the common code word is 'Le'. So, 'Le' means 'eat'.
In 'You eat many mangoes' and 'They eat bananas and mangoes', the common code word 'Le' stands for 'eat'. So, the other common code word 'Na' stands for the other common word i.e. 'mangoes'.
Question 505. Question : Who among P, Q, T, V and M is exactly in the middle when they are arranged in ascending order of their heights ?
Statements :
I. V is taller than Q but shorter than M.
II. T is taller than Q and M but shorter than P.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option E. -> Both I and II are sufficient
From I, we have: M > V > Q.
From II, we have: T > Q, T > M, P > T.
Combining the above two, we have: P>T>M>V>Q i.e. Q
Question 506. Question : Which code word stands for 'good' in the coded sentence 'sin co bye' which means 'He is good' ?
Statements :
I. In the same code language, 'co mot det' means 'They are good'.
II. In the same code language, 'sin mic bye' means 'He is honest'.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option C. -> Either I or II is sufficient
In the given statement and I, the common word is 'good' and the common code word is 'co'. So, 'co' is the code for 'good'.
In the given statement and II, the common words are 'He' and 'is' and the common code words are 'sin' and 'bye'. So 'sin' and 'bye' are the codes for 'He' and 'is'. Thus, in the given statement, 'co' is the code for 'good'.
Question 507. Question : What is the numerical code for 'water' in a certain code ?
Statements :
I. The code for 'give me water' is '719'.
II. The code for 'you can bring water for me' is written as '574186'.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option D. -> Neither I nor II is sufficient
In I and II, the common words are 'me' and 'water' and the common code numbers are '7' and '1'. So, the code for 'water' is either '7' or '1'.
Question 508. Question : Gaurav ranks eighteenth from the top in a class. What is his rank from the last?
Statements :
I. There are 47 students in the class.
II. Jatin who ranks 10th in the same class, ranks 38th from the last.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option C. -> Either I or II is sufficient
From I, we conclude that in a class of 47 students, Gaurav ranks 18th from the top and hence 30th from the last.
From II, we conclude that there are 9 students above and 37 students below Jatin in rank. Thus, there are (9 + 1 + 37) = 47 students in the class.
So, Gaurav who ranks 18th from the top, is 30th from the last.
Question 509. Question : How many visitors saw the exhibition yesterday ?
Statements :
I. Each entry pass holder can take up to three persons with him/her.
II. In all, 243 passes were sold yesterday.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option D. -> Neither I nor II is sufficient
From I and II, we find that maximum (243 x 3) i.e. 729 visitors saw the exhibition.
But the exact number cannot be determined.
Question 510. Question : On a T.V. channel, four serials A, B, C and D were screened, one on each day, on four consecutive days but not necessarily in that order. On which day was the serial C screened ?
Statements :
I. The first serial was screened on 23rd, Tuesday and was followed by serial D.
II. Serial A was not screened on 25th and one serial was screened between serials A and B.
  1.    I alone is sufficient while II alone is not sufficient
  2.    II alone is sufficient while I alone is not sufficient
  3.    Either I or II is sufficient
  4.    Neither I nor II is sufficient
  5.    Both I and II are sufficient
 Discuss Question
Answer: Option E. -> Both I and II are sufficient
From I, we know that the serials were screened on 23rd, 24th, 25th and 26th.
Clearly, D was screened second i.e. on 24th, Wednesday.
From II, we know that one serial was screened between A and B.
So, A and B were screened first and third, i.e. on 23rd and 25th. But, A was not screened on 25th.
So, A was screened on 23rd and B on 25th. Thus, C was screened on 26th, Friday.

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