Logical Reasoning Test-3

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Logical Reasoning Test-3

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Weekly Quiz Competition

Question 1
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Directions for Questions : The questions in this section are based on the reasoning contained in brief statements or passages. For some questions, more than one of the choices could conceivably answer the question. However, you are to choose the best answer.

Q.

Premiums for automobile accident insurance are often higher for red cars than for cars of other colours. To justify these higher charges, insurance companies claim that overall, a greater percentage of red cars are involved in accidents than are cars of any other colour. If this claim is true, then lives could undoubtedly be saved by banning red cars from the roads altogether.

A
Accepts without question that insurance companies have the right to charge higher premiums for higher-rish clients

B
Fails to consider whether red cars cost the same to repair as cars of other colors

C
Ignores the possibility that drivers who drive recklessly have a preference for red cars.

D
Does not specify precisely what percentage of red cars are involved in accidents

Solution

The causal connection between red color and accidents has been destroyed. If bad drivers prefer red, then they are the cause of the accidents, not the red color. Therefore, if the red cars were banned, these drivers would just have to buy other cars and lives would not be saved or accidents reduced.
Question 2
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11, 13, 17, 19, 23, 25, ?

A
26

B
27

C
37

D
29

Solution
Question 3
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6, 11, 21, 36, 56, ?

A
42

B
81

C
51

D
91

Solution
Question 4
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Skeleton : Body : : Grammar : _______

A
Education

B
Sentence

C
Language

D
Meaning

Solution

Skeletion : Body : : Grammer : Language
Skeletion is part of body
Grammer is part of Language
Question 5
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A bowl of sweets was placed on a table to be distributed among three brothers –Rajan, Sajal and Karan. Rajan arrived first and ate what he thought was his share of sweets and left. Then, Sajal arrived. He thought that he was the first one to arrive and ate the number of sweets, he thought was his share and left. Lastly, Karan arrived. He again thought he was the first one to arrive and he took what he thought was his share. If 16 sweets are left in the bowl finally, how many sweets did the bowl contain initially?

A
27

B
36

C
48

D
54

Solution

Cleary, each of the three boys ate one-third of the sweets they found in the bowl. So, let us consider the initial number of sweets to be (3 x 3 x 3) x i.e., 27x.
Then, sweets taken by Rajan
Sweets taken by Sajal
Sweets taken by Karan
∴8x = 16 or x = 2.
Hence, total number of sweets in the bowl = 27x = (27 x 2) = 54.
Question 6
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An egg vendor calls on his first customer and sells half his eggs and half an egg. To the second customer, he sells half of what he was left with and half an egg, and to the third customer, he sells half of what he was then left with and half an egg. However, he did not break any egg. If, in the end, the vendor was left three eggs, how many eggs did he have initially?

A
26

B
31

C
39

D
None of these

Solution

Suppose the vendor initially has x eggs with him.
Then, eggs sold to 1^st customer =
remaining eggs =
eggs sold to 2^nd customer =

remaining eggs =

eggs sold to 3^rd customer =

remaining eggs =
Question 7
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Rachna correctly remembers that last time sports meet was held after January but before August. Nada correctly remembers that the sports meet was held before June. Deepa correctly remember that the month in which the sports meet was held had more than 30 days. In which month of the year was the sports meet definitely held?

A
May

B
October

C
February

D
March or May

Solution
Question 8
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Directions (28 –31): Read the following information carefully and answer the questions given below:

(i) Five Professors (Dr. Joshi, Dr. Davar, Dr. Natrajan, Dr. Chaudhary and Dr. Zia) teach five different subjects (Zoology, Physics, Botany, Geology and History) in four universities (Delhi, Gujarat, Mumbai and Osmania), not necessarily in the same order.

(ii) Dr. Chaudhary teaches Zoology in Mumbai University.
(iii) Dr. Natrajan is neither in Osmania University nor in Delhi University and he teaches neither Geology nor History.
(iv) Dr. Zia teaches Physics but neither in Mumbai University nor in Osmania University.
(v) Dr. Joshi teaches History in Delhi University.
(vi) Two Professors are from Gujarat University.
(vii) One Professor teaches only one subject and in one University only.

Q.

Who teaches Geology?

A
Dr. Natrajan

B
Dr. Zia

C
Dr. Davar

D
Dr. Joshi

Solution
Question 9
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Directions : Read the following information carefully and answer the questions given below:

(i) Five Professors (Dr. Joshi, Dr. Davar, Dr. Natrajan, Dr. Chaudhary and Dr. Zia) teach five different subjects (Zoology, Physics, Botany, Geology and History) in four universities (Delhi, Gujarat, Mumbai and Osmania), not necessarily in the same order.

(ii) Dr. Chaudhary teaches Zoology in Mumbai University.
(iii) Dr. Natrajan is neither in Osmania University nor in Delhi University and he teaches neither Geology nor History.
(iv) Dr. Zia teaches Physics but neither in Mumbai University nor in Osmania University.
(v) Dr. Joshi teaches History in Delhi University.
(vi) Two Professors are from Gujarat University.
(vii) One Professor teaches only one subject and in one University only.

Q.

Which university is Dr. Zia from?

A
Gujarat

B
Mumbai

C
Delhi

D
Osmania

Solution
Question 10
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Directions : Read the following information carefully and answer the questions given below:

(i) Five Professors (Dr. Joshi, Dr. Davar, Dr. Natrajan, Dr. Chaudhary and Dr. Zia) teach five different subjects (Zoology, Physics, Botany, Geology and History) in four universities (Delhi, Gujarat, Mumbai and Osmania), not necessarily in the same order.

(ii) Dr. Chaudhary teaches Zoology in Mumbai University.
(iii) Dr. Natrajan is neither in Osmania University nor in Delhi University and he teaches neither Geology nor History.
(iv) Dr. Zia teaches Physics but neither in Mumbai University nor in Osmania University.
(v) Dr. Joshi teaches History in Delhi University.
(vi) Two Professors are from Gujarat University.
(vii) One Professor teaches only one subject and in one University only.

Q.

Who teaches Botany?

A
Dr. Zia

B
Dr. Davar

C
Dr. Joshi

D
Dr. Natrajan

Solution