Question Bank - Logical Reasoning - Learn Quest
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Topic - Logical Reasoning
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Source - Learn Quest Forum
Q1) There are four houses numbered 1 to 4 from east to west respectively with 1 as the extreme right position and 4 at the extreme left position. Four Professors Manoj , Binny , Vinay and Sachin reside in those four houses. Their surnames are Sharma, Garg, Singh and Tewari not necessarily in the same order. These professors own Audi, BMW, Skoda and Mercedes not necessarily in the same order. They bought these cars in 2001, 2002, 2003 and 2004 not necessarily in the same order. They teach Economics, HR, Finance and Ethics not necessarily in the same order.
A) Manoj Singh does not own Audi. Audi's owner teaches Economics.
B) Binny has a Skoda car.
C) Mr Garg lives in house number 3.
D) Mr Sharma is the professor of Ethics.
E) The person who bought car in 2001 is HR professor and his car is not BMW.
F) Vinay is the professor of Finance.
G) Mr Tewari did not buy his car in 2004. The person who bought the car in 2004 is living in the house which is to the immediate west of the person who bought the car in 2002.
H) Sachin's house number is 4.
Who bought the car in 2004?
[Answer - Option A]
Q2) Mr Bankatlal acted as a judge for the beauty contest. There were four participants, viz. Ms Andhra Pradesh, Ms Uttar Pradesh, Ms West Bengal and Ms Maharashtra. Mrs Bankatlal, who was very anxious about the result, asked him about it as soon as he was back home. Mr Bankatlal just told that the one who was wearing the yellow saree won the contest. When Mrs Bankatlal pressed for further details, he elaborated as follows: All of them were sitting in a row. All of them wore sarees of different colours, viz. green, yellow, white, red. There was only one runner-up and she was sitting beside Ms. Maharashtra. The runner-up was wearing the green saree. Ms West Bengal was not sitting at the ends and was not the runner up. The winner and the runner-up are not sitting adjacent to each other. Ms Maharashtra was wearing white saree. Ms Andhra Pradesh was not wearing the green saree. Participants wearing yellow saree and white saree were at the ends.
Who wore the red saree?
[Answer: Ms West Bengal]
Q3) There is a lot of interest in the first five ranks for Class XI students. One student guessed the rank order as Ankita, Bhagyashree, Chanchal, Devroopa and Esha. Later upon announcement of the result, it was found that not only did he get each student out off her true position, none of the students in his ranking correctly followed her immediate predecessor. Another student guessed Devroopa, Ankita, Esha, Chanchal and Bhagyashree. Even his guess was wrong. It was found that he had got two positions correct, and two students in his ranking correctly followed their immediate predecessors. If the position of Bhagyashree is 5, which of the following is true about the correct rank order?
a) Ankita got the third position
b) Bhagyashree got the fourth position
c) Chanchal got the second position
d) Devroop stood first
e) Esha got the fourth position
[Answer: Option A]
Q4) Six persons are playing a card game. Suresh is facing Raghubir who is to the left of Ajay and to the right of Pramod. Ajay is to the left of Dhiraj. Yogendra is to the left of Pramod. If Dhiraj exchanges his seat with Yogendra and Pramod exchanges with Raghubir, who will be sitting to the left of Dhiraj?
Q5) Students from four sections of a class accompanied by respective class teachers planned to go for a field trip. There were nineteen people in all. However, on the scheduled day one of the four teachers and few students could not join the rest. Given below are some statements about the group of people who ultimately left for the trip.
I. Section A had the largest contingent.
II. Section B had fewer students than Section A
III. Section C’s contingent was smaller than Section B.
IV. Section D had the smallest contingent
V. The product of the number of the students from each section is a multiple of 10.
VI. The number of students from section C is more than 2
VII. The product of the number of students from each section is a multiple of 24.
VIII. The largest contingent has more than 4 students.
IX. Each section contributed different number of students
The statements that taken together can give us the exact number of students from each section:
a) I, II, III, IV, VI
b) I, VI, VIII, IX
c) I, II, III, IV, V, VI
d) I, II, III, IV, VI, VII
e) I, IV, V, VI, VII, IX
[Answer: Option E]
Explanation: The group consists of 15 students and 4 teachers initially. 1 teacher could not join. That makes it 3 teachers. Some students could not join. That makes it a maximum of 14 students. Since the product of the number of students from all sections is a multiple of 24 and 10 both, the possible value is 120. The number of students is each of the section is 2,3, 4 and 5. Further, from the given information, it can be concluded that A has 5 students, C has 3 students, B has 4 students and D has 2 student. The statements that are needed to exactly find the number of students from each section are 1,4,5, 6,7 and 9. Hence, option e
Q6) Six-friends - Rishi, Rajesh, Ramesh, Rakesh, Rupesh and Rishikesh - are of different heights and different weights. A person's weight (in KG) divided by his square of height (in metres) is called his Body Mass Index(BMI). The weights of the friends are 58kg, 60kg, 65kg, 70kg, 76kg and 85kg in no particular order. The heights of the friends are 150cm, 155cm, 160cm, 165cm, 170cm and 180cm in no particular order. Further, it is known that:
- Rajesh is taller than Ramesh.
- Rajesh is neither the tallest nor the heaviest.
- Rakesh is the second lightest person among the six friends.
- Ramesh is neither the shortest nor the lightest and occupies the even number place in height when arranged in descending order.
- One of the friends is the tallest as well as the third lightest.
- Ramesh is heavier than Rakesh.
- In one of the height and weight parameters, Rishi was second highest followed by Rupesh. One of the friends occupy the same place in the list of height and weight when arranged in descending orders.
Over time, the heights and weights of each of the friends changed but the positions of the friends with respect to height and weight remained the same. Which of the following is definitely true?
a) The BMI of Rupesh is greater than that of Rajesh
b) The BMI of Rishikesh is less than that of Rakesh
c) The BMI of Rupesh is greater than that of Rishikesh
d) The BMI of Ramesh is greater than that of Rakesh
Which of the following is the correct order of BMI?
a) Rakesh > Rupesh > Rajesh > Rishikesh
b) Rupesh > Rakesh > Rajesh > Rishikesh
c) Rakesh > Rupesh > Rishikesh > Rajesh
d) Rupesh > Rakesh > Rishikesh > Rajesh
[Answer : Option C, Option A]
Q7) Seven members – A, B, P, Q, R, S, and T of a family spanning three generations are standing in a row. The grandfather of T has as many persons on his right as on his left. P is to the immediate left of his father and to the immediate right of his wife. T is standing at one of the extremes and his grandmother S is standing next to him. B, the sister of P, is standing next to her sister – in – law. Q is the son – in – law of A. How many males are standing between S and R?
Q8) Ramesh, Suresh and Mahesh are three people who belong to three different tribes of people. The three tribes are known as knights (those who always speak the truth), Knaves(who always lie) and Alters(those who alternatively speak the truth and lie).
Ramesh said that Suresh is not an alter.
Mahesh said that Ramesh is an alter.
Who among the following is Knave?
d) Cannot be determined
[Answer: Option A]
Q9) An ATM needs exactly two guards on each day of a week from Monday to Saturday. Puneet, Vikrant, Vikram, Jasneet and Saurabh are the people responsible for guarding the ATM. None of them works for three consecutive days during the week. Puneet does not work on Monday, Tuesday and Wednesday. Jasneet and Vikrant never work on the same day. Vikrant works on alternate days and he works with Puneet on Friday. Saurabh works for the maximum number of days during the week among the five guards. Both Jasneet and Vikrant work for an odd number of days during the week. Two particular guards work for the same number of days during the week; each of the rest three works for a distinct number of days.
Q1. If Saurabh works with one particular guard twice during the week, then which guard works on the same day as Jasneet?
d. Cannot be determined
Q2. If Saurabh works with a different guard every time during the week, then which two guards work on Thursday?
a. Saurabh and Puneet
b. Saurabh and Jasneet
c. Saurabh and Vikram
d. Cannot be determined
Q3. Which of the following statements cannot be true?
a. Saurabh and Puneet work together on Thursday.
b. Vikram and Jasneet work together on Thursday.
c. Puneet and Saurabh work together on Saturday.
d. Saurabh and Vikram work together on Thursday.
Q4. If Vikram works on Saturday with Saurabh, then which two guards work on Tuesday?
a. Vikram and Jasneet
b. Jasneet and Saurabh
c. Vikram and Saurabh
d. Either (a) or (b)
[Answer: Option A, Option D, Option B, Option D]
Q10) A group of nine runners will finish the 400 meters race in a certain order. The runners are: Ashok, Benjamin, Chetan, Divya, Eshant, Faneesh, Girish, Himani, and Irravaty. They all finish at different times, and their finishing order is as follow:
i) Faneesh finishes before Ashok.
ii) Divya finishes before Benjamin and Eshant.
iii) Irravaty finishes after Chetan.
iv) Girish finishes after Ashok.
Which is the best position Girish can finish?