Puzzle – Railway Reasoning (Part- 1)

Total Questions: 50

21. Five friends A, B, C, D and E work as a doctor, lawyer, Businessman, Engineer and Cook and live in Delhi, Mumbai, Goa, Panji and Panjab (not necessarily in the same order). The profession of no two friends is same and no two friends live at the same place. A works as a Cook but does not live in Goa and Panji. B and D live in Delhi and Mumbai respectively. C works as a lawyer .Doctor lives in Goa. [NTPC CBT - I 28/01/2021 (Evening)]

Which of the following combinations is definitely TRUE?

Correct Answer: (d) C - Panji - Lawyer
Solution:

22. A team of 5 members is to be selected from 5 men M1, M2, M3, M4 and M5 and 6 women W1, W2, W3, W4, W5 and W6. M5 cannot be selected with W4 or M4. M2 must be selected with M5, M1 cannot be selected with M3. W6 cannot be selected with M2 or W1 or W2. W5 cannot be selected with W6 or W2 or M2.If there are at least three women in the team, then which of the following is a correct selection of the team? [NTPC CBT - I 30/01/2021 (Morning)]

Correct Answer: (b) M1, W5, W4, M4, W3
Solution:

At least 3 women must be selected, In option (a) there are two women only so it can not be the possible team. M1 and M3 can not be selected together so option (c) is also eliminated. M2 and W6 can not be selected together so option (d) is also eliminated. So option (b) is correct team prepared by the given information.

23. A, B, C, D, E, F, and G are the names of two teenage girls, two infants and three old men. B, F and E are not old men. A, F and C are not teenage girls. G is an old man while D is an infant. Which of the following are two teenage girls? [NTPC CBT - I 10/02/2021 (Evening)]

Correct Answer: (d) B and E
Solution:

A, F and C are not teenage girls. G is an old man while D is an infant. Remaining 2 persons are teenage girls.
So, two teenage girls are B and E .

24. Eight persons P, Q, R, S, T, U, V and W are going to their destination Delhi, Mumbai, Chennai, Hyderabad, Goa, Panji, Punjab and UP (not necessarily in the same order). Destination of no two persons is the same. R is going to Goa. V is not going to Delhi, Mumbai or Punjab. S and T are going to UP and Panji respectively. P and Q are not going to Punjab or Mumbai. U is not going to Delhi or Mumbai. Which of the following combinations is definitely correct? [NTPC CBT - I 16/02/2021 (Evening)]

Correct Answer: (b) W - Mumbai
Solution:

25. Read the given information carefully and answer the questions that follow. Five coaching classes P,Q, R, S, and T are located on five different floors 1, 2, 3, 4, and 5, not necessarily in the same order. Only one subject out of Physics, Chemistry, Mathematics, Biology and English, is taught in each coaching class, but not necessarily in the same order. The following information is also known: [NTPC CBT - I 27/02/2021 (Evening)]

Biology is taught in coaching class S, while English is not taught in coaching class Q .
Coaching class R is on the 3rd floor, and Chemistry is taught in coaching class P. Physics is taught in the coaching class on the 5th floor.
The coaching class on the 3rd floor does not teach either English or Physics. On the basis of the information given, identify the floor on which Mathematics is taught.

Correct Answer: (a) 3rd
Solution:

26. Five children A,B,C,D and E ate mangoes. A ate 8 mangoes less than B. C and E together ate 37 mangoes. D ate 8 mangoes more than C, B ate 5 mangoes more than C, B and A together ate 40 mangoes. Considering the above information. Which of the following statements is correct? [NTPC CBT - I 04/03/2021 (Morning)]

Correct Answer: (a) E ate 18 mangoes and C ate 19 mangoes.
Solution:

From the given informations
B - 8 = A __(1)
C + E = 37 __(2)
C + 8 = D __(3)
C + 5 = B __(4)
B + A = 40 _(5)
From (1)and (5) we get
A = 16 and B = 24
From (4), C = 24 - 5 = 19
From (2), E = 37 - 19 = 18

27. From a group of five students A, Q, B, S, C, and three teachers D, E, and F, a team of five has to be selected on the basis of the following criteria. The team must have only one teacher.Teacher E cannot be on the same team as student Q . Student S cannot be in a team without student A. Student B and Student C cannot be on the same team as student Q . Based on the given information, which of the following will be formed? [NTPC CBT - I 19/03/2021 (Evening)]

Correct Answer: (d) ABSCE
Solution:

From the given information we can observe that Q and C can not be together in the team so option (a) is eliminated. There should be 1 teacher in the team but in option (b), two teachers are there so option (b) is also eliminated. With Q, B and C can not be together so option (c) is also eliminated. So option (d) is correct.

28. Five members A, B, C,D and E have different heights. They play one among different games namely cricket, football, chess, tennis and volleyball. No two members play the same game. A is shorter than only two members and plays football. The tallest member among them plays chess. B is taller than E but shorter than D. E plays Tennis and he is not the shortest. Who among them plays chess? [NTPC CBT - I 03/04/2021 (Morning)]

Correct Answer: (b) D
Solution:

Height = D > B > A > E > C

29. Read the following information carefully and answer the question given below. [RRB JE 23/05/2019 (Morning)]

Seven members L, H, K, T, F, J and R represent different countries in Olympics, USA, China, Korea, France, Russia, Australia and Japan; each one competes for a different sport, viz. volleyball, archery, rifle shooting, tennis, boxing,  athletics and football. The order of persons, countries and games is not necessarily the same.
K represents China for archery. T represents USA but not for volleyball or rifle shooting. One who represents Japan competes for boxing. F competes for volleyball but not Korea. L represents Australia for athletics. The one who represents Russia competes for tennis. J does not represent Korea or Japan. R competes for rifle shooting.
Which of the following combinations of member, sport and country are CORRECTLY matched?

Correct Answer: (b) J-Tennis-Russia
Solution:

Hence from the table J 一 Tennis 一 Russia is correctly matched.

30. Read the following information carefully and answer the question given below. [RRB JE 29/05/2019 (Evening)]

During a vacation, a game is being played. For the game, 9 people from J to R (mix of boys and girls) have to stand in a vertical row. Boys are wearing black shoes and girls are wearing pink shoes. The row starts at top and with a pink shoe. Boys and girls stand alternately in the row. Each position in the row can be occupied by one person only.
i) J stands seven places before K.
ii) Third pink shoes is L.
iii) Second boy after L is M.
iv) Fourth place in the row is occupied by N.
v) O stands ahead of J. vi) P stands between L and J.
vii) R is a girl.
Which of the following is a pair of girls?

Correct Answer: (c) P and L
Solution:

Note:- The row starts at top and with a pink shoe


From the above table it is clearly seen that P and L are a pair of girls.