வெல்லுங்கள் CSAT 2025 - 29: Puzzles

Questions & Answers - (Multiple Choice) - Puzzles
கொள்குறி வினா- விடைகள் - புதிர்கள்

Directions (1- 4) : Examine the information given in the following paragraph and answer the questions follow :

In a week from Monday to Friday, guest lectures on five subjects namely, English, Mathematics, History, Statistics and Economics have to be arranged.
* Only one lecture can be arranged on each day.
* Economics cannot be scheduled on Tuesday.
* Mathematics lecture has to be scheduled immediately after the day of Economics lecture.
* Only on Tuesdays, guest faculty for History is available.
* English lecture has to be scheduled immediately before the day of Economics lecture.

1. Which lecture is scheduled between Statistics and English?
a. History b. Economics
c. Mathematics
d. Cannot be determined

2. Which lecture is Scheduled on Monday?
a. English b. Economics
c. Mathematics d. Statistics

3. Which lecture is scheduled immediately before Mathematics lecture?
a. English b. Economics
c. History d. Statistics

4. Which lecture is scheduled on Monday?
a. English b. Economics
c. Statistics d. Mathematics

Directions (5- 7) : Study the information given in the following paragraph and answer the questions given below :

* In a building there are 13 flats on three floors, I, II and III . Five flats are unoccupied. One doctor, two lawyers, two teachers and three Engineers occupy the remaining flats.
* There are atleast three flats on any floor and not more than six flats on any floor.
* No two persons on the same profession stay on any floor.
* On the first floor, out of four flats, one occupant is Lawyer and has only one neighbor.
* One Teacher lives one floor below the other teacher.
* The Doctor is not the neighbor of any of the lawyers.
* No flat is unoccupied on the second floor.

5. How many flats are occupied on the third floor?
a. two b. three
c. four d. five

6. What is the combination of occupants on the first floor?
a. Lawyer and Teacher
b. Lawyer and Doctor
c. Lawyer and Engineer
d. Engineer and Teacher

7. How many flats are there in the third floor?
a. 3 b. 4
c. 5 d. 6

Directions (8 - 10) : Study the information given in the following paragraph and answer the questions given below :

A family consists of six members P, Q, R, S, T and U. There are two married couples. Q is a Doctor and is father of T. The contractor U is grandfather to R.
S is grandmother of R and is a housewife. There is one Doctor, one Nurse, one Housewife , one Contractor and two students in the family.

8. What is the profession of P?
a. Doctor b. Nurse or Doctor
c. Nurse d. Housewife

9. Which of the following are the married couples?
a. US, QT b. US, QP
c. US, RP d. ST, RU

10. Which of the following is definitely a group of female members?
a. S P b. S P T
c. S P R d. S R T

Directions (11-15) : Study the information given in the following paragraph and answer the questions given below :

In a family of six persons A, B, C, D, E and F - there are three males and three females. There are two married couples and two persons are unmarried. Each one of them reads different newspapers, namely The Hindu, Business Standard, Financial Times, Indian Express, The Times of India and Hindustan times.
* D is father of F and he does not read The Times of India or Business Standard.
* C does not read Business Standard.
* B reads The Hindu and she is sister of F who reads Hindustan Times.
* E who reads Indian Express is mother- in - law of A who is wife of C.

11. Which of the following newspaper is read by A?
a.The Times of India
b. Financial Times
c. The Hindu
d. Business Standard

12. How F is related to E?
a. Daughter b. Son
c. Brother d. None of these

13. Who reads the The Times of India?
a. C b. D
c. A d. B

14. Which of the following is one of the married couples?
a. B - D b. E - D
c. B - F d. E - F

15. How many sons does E have?
a. Three b. One
c. Two d. None of these.

Answers

1. a 2. d 3. b 4. c 5. b

6. c 7. d 8. c 9. b 10. a

11. d 12. b 13. a 14. b 15. c

Explanation to answers

1 - 4 : It is clear that History must be scheduled on Tuesday only.
English lecture has to be scheduled immediately before the day of Economics lecture and Mathematics lecture has to be scheduled immediately after the day of Economics lecture =>
English, Economics and Mathematics have to be scheduled in succession.
It is clear that correspoding days must be Wednesday, Thursday and Friday respectively. The left out day is Monday and the left out subject is Statistics.

Correct Schedule

Monday - Statistics
Tuesday - History
Wednesday - English
Thursday - Economics
Friday - Mathematics

5 - 7 : On the first floor, out of four flats, one occupant is Lawyer and has only one neighbor => Number of flats in first floor is 4. And Lawyer and the neighbor must be Engineer since there are three Engineers, each occupying one flat from I , II and III.
One Teacher lives one floor below the other teacher =>one Teacher In II and the other Teacher in III floor.
Now left out one Lawyer and Doctor.
The Doctor is not the neighbor of any of the lawyers => either Lawyer or Doctor in the II floor Or
either Doctor or Lawyer in the III floor.
No flat is unoccupied on the second floor => There are 3 flats in the II floor
Using - No two persons on the same profession stay on any floor.
No.of flats - 4 in I floor, 3 in II floor and the remaining 6 in III floor.
Occupied flats - 2 in I floor, 3 in II floor and the remaining 3 in III floor
5. Three flats are occupied on the third floor.
6. Lawyer and Engineer is the combination of occupants on the first floor.
7. Six flats are there in the third floor

8 - 10 :
Couple -1 First Generation
S (F) - Housewife -T is Third Generation U (M) -Contractor- R is Third Generation

Couple -2 Second Generation
P (F) - Nurse
Q (M) - Doctor

If T is male, then R is female and vice versa.
8. The profession of P is Nurse
9. US and QP are two couples.
10. Only S and P are female members.
Either R or T is a female.

11 - 15 :

Clearly D E is one couple and other couple is A C.
F and A are sons of the couple D E.
B is daughter of the couple D E

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