Order and Ranking– Railway Reasoning (Part-I)

Total Questions: 50

11. In a class, each student scored a different rank. Aman's rank is 11th from the top and Nikhil rank is 13th from the bottom. Only three students ranked between Aman and Nikhil. If the total number of students is an odd number divisible by 3, how many students are there in the class ? [NTPC CBT II Level 6 (09/05/2022) Shift 1]

Correct Answer: (d) 27
Solution:

Aman rank = 11th from top
Nikhil rank = 13th from bottom
So, Nikhil rank from top = 11 + 4 = 15th = 13th rank from bottom
Total number of students in class =
Aman’s rank from top + Aman’s rank from bottom – 1 = 15 + 13 – 1 = 27
Short Tricks :-
Condition 1:-
Only condition 1 satisfy.

12. Six classmates T, U, V, W, X, and Y each scored different marks in an entrance examination. V scored more than only T and X, W scored less than only U, X did not score the least. The one who scored the third highest marks scored 91 marks, X scored 72 marks. Which of the following could possibly be 'V's scored? [NTPC CBT II Level 6 (09/05/2022) Shift 2]

Correct Answer: (b) 80
Solution:

On solving we get below table:The score of V should be more than 72 and less than 91. Only 80 is such a number.

13. There is a group of six people S, V, O, Y, X and T, each having a different height. Each one of them is in a different class. O is taller than V but shorter than T. S, V, and O are in class 9, 7, and 3, respectively. S is the tallest and in the highest class. X is taller than Y but shorter than V. T is in a class senior to Y but junior to V. X is in a class senior to V. Who is in a class senior but shorter than V? [NTPC CBT II Level 6 (09/05/2022) Shift 2]

Correct Answer: (a) X
Solution:

Heightwise shorter than V is X and Y & Class Wise senior to V is X and S X is fulfilling both conditions with respect to V

14. In a row of 28 students, Jamuna was 12th from the extreme left end and Ganga was 19th from the extreme right end. If Saraswati was seated exactly between them, then what was Sarasvati's position from the right end? Assume that the students were seated facing north. [NTPC CBT II Level 5 (12/06/2022) Shift 2]

Correct Answer: (d) 18th
Solution:

Ganga is 19th from the right end.
Jamuna is 12th from the left end.
1 2 3 4 5 6 7 8 9 Ganga Saraswati
Jamuna 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
So, Saraswati’s position from right end = 18

15. All 80 students in a class are standing in a straight row facing north. Ravali is 30th from the extreme right end, while Kiriti is 26th from the extreme left end. How many students are standing between Ravali and Kiriti? [NTPC CBT II Level 5 (12/06/2022) Shift 2]

Correct Answer: (d) 24
Solution:

Students standing between Ravali and Kriti = 80-(30+26) = 24

16. A question is given, followed by two statements labelled I and II. Identify which of the statements is/are sufficient to answer the question. [NTPC CBT || Level 2 (13/06/2022) Shift 2]

Question:
How many soldiers are there between William and David in a row of soldiers, all facing north?
Statements:
(I) William is 15th from the extreme left end of the row.
(II) David is exactly in the middle of the row and there are ten soldiers to his right.

Correct Answer: (d) Both I and II together are sufficient
Solution:

According to the statement, Both I and II together are sufficient.

17. Six classmates gave an exam. Yatharth scored more marks than Karan. Parth's marks were less than Amrita. Vineeta scored more marks than Parth. Parth scored exactly the same marks as Yatharth. Girish did not score more marks than Karan. Vineeta scored less marks than Amrita. Which of the following options is NOT correct according to above information? [NTPC CBT II Level 3 (14/06/2022) Shift 2]

Correct Answer: (d) Yatharth scored more marks than Amrita
Solution:

According to the option, option (d) is incorrect.

18. Five people C,D,X,Y and Z each scored different marks in the same test. All scores are in whole numbers only. D scored the second lowest and D's score was 40. X scored more than D but less than the one who scored 45. 45 was not the highest score. C's score is an even number. C did not score the least. Y scored 6 marks less than Z. Which of the following can be a possible score of C? [NTPC CBT II Level 2 (16/06/2022)]

Correct Answer: (c) 46
Solution:

We can clearly see in the above graph that, C scores more than 45 and that is an even number. According to all four options we can say that 46 is the possible value of C's score.

19. The positions of Deepti and Mohan in a row are 14th from the left and 9th from the right respectively. If they interchange their places, then Mohan will be 21st from the right, find the position of Deepti from the left now and the total number of persons in the row. [NTPC CBT-1 28/12/2020 (Morning)]

Correct Answer: (a) 26, 34
Solution:

The positions of Deepti and Mohan in a row are 14th from the left and 9th from the right respectively.
If they interchange their places, then Mohan will be 21 st from the right.
⇒ the number of people between Deepti and Mohan = (21-9)-1 = 11
So, the position of Deepti from the left now = (14+11) + 1 = 26th
And the total number of persons in the row = (26+9)- 1 = 34 people

20. Two college friends A and B who met after a couple of years had a doubt about the birthday of their common friend C. According to A, C's birthday is after 12th March but before 15th March. But B remembered that C's birthday is after 13th March but before 17th March. Assuming both of them to be correct, on which date is C's birthday? [NTPC CBT - I 29/12/2020 (Morning)]

Correct Answer: (b) 14th March
Solution:

According to A, C’s birthday is in between 12 - 15
According to B, C’s birthday is in between 13 - 17
Assuming both of them to be correct, we can say birthday on 14th Mrach.
i.e. 14th March