Order and Ranking– Railway Reasoning (Part-3)

Total Questions: 50

11. All 20 students of a class are sitting in a straight row facing east. Ram is 8th from the right end and Sita is 16th from the left end. How many students are sitting between Ram and Sita? [Group - D 11/10/2022 (Afternoon)]

Correct Answer: (a) 3
Solution:

Total students = 20 Total number of students between Ram and Sita = 16 - 12 -1 = 3

12. There are six persons - C, D, E, X, Y and Z each of different ages. Only one person is younger than Y. X is older than E but younger than D. E is older than Y. Neither D nor C is the eldest. How many persons are older than Z? [Level 6 (09/05/2022) Shift 1]

Correct Answer: (b) zero
Solution:

13. There is a group of 6 people : A, B, C, D, E and F (not necessarily in the same order). D is taller than A and E. F is taller than B and C. E is taller than F. A is taller than F. Which of the following can be the shortest person? [Level 6 (09/05/2022) Shift 1]

Correct Answer: (b) B or C
Solution:

After arranging the persons
as per directions given in question, we get following arrangement :
D > A/E > F > B/C
So, the shortest person is either B or C.

14. Ramesh ranked from the top 16ᵗʰ and and from the bottom in his class 21ˢᵗ in an examination. If only 21 students passed the exam, how many students in his class failed? [Level 6 (09/05/2022) Shift 1]

Correct Answer: (c) 15
Solution:

Total number of students in class = Ramesh’s rank from top + Ramesh’s rank from bottom – 1 = 16 + 21 – 1 = 36
Number of students failed = 36 – 21 = 15

15. In a row of 25 people facing north, Keshav is 7th from the extreme right end. If Teja sits 5th to the left of Keshav, what is Teja’s position from the extreme left end of the line? [Level 6 (09/05/2022) Shift 2]

Correct Answer: (a) 14th
Solution:

Teja’s position from extreme right = (7+5)th = 12th
Teja’s position from extreme left = (n+1 - position from right) = 25 + 1 - 12 = 14th from left.

16. There are 42 students in a class. If Kritika is 18th from the top, what is her position from the bottom? [Level 6 (09/05/2022) Shift 2]

Correct Answer: (a) 25th
Solution:

Position from bottom = (n + 1) - position from top,
Where n is the total number of students in the class.
Position from bottom = (42 + 1) - 18 = 25th

17. Six persons A, B, C, D, E and F were engaged in a group discussion. A spoke immediately before D but immediately after B. B spoke immediately after F. if C spoke immediately after D but before E, then who among the following started the discussion? [Level 6 (09/05/2022) Shift 2]

Correct Answer: (a) F
Solution:

On solving we get the following table.

18. Five products, A, B, C, D, and E are priced differently in a general store. ‘A’ is cheaper than ‘C’ but costlier than ‘B’. ‘E’ is costlier than ‘C’ but cheaper than ‘D’. which product is the cheapest? [Level 6 (09/05/2022) Shift 2]

Correct Answer: (d) B
Solution:

Arranging the data with costlier products at the top and cheaper at bottom we get:

19. Roshni correctly remembers that Sreshta’s birthday is before Thursday but after Monday. Kalyan correctly remembers that Sreshta’s birthday is after Tuesday but before Friday. On which of the following days does Sreshta’s birthday fall? [Level 6 (09/05/2022) Shift 2]

Correct Answer: (a) Wednesday
Solution:

Roshni — Tuesday or Wednesday
Kalyan — Wednesday or Thursday
Wednesday is common to both so
Shreshta’s birthday is on Wednesday.

20. Alok ranked 19th from the top and 38th from the bottom in a class. How many students are there in the class? [Level 4 (10/05/2022) Shift 1]

Correct Answer: (b) 56
Solution:numbers of students = (rank from top + rank from bottom -1) = 19th + 38th - 1 = 56th