Logical Deduction : Logical Reasoning(Reasoning Aptitude > Logical Reasoning ) Questions and answers for exam Preparation

Reasoning Aptitude > Logical Reasoning

LOGICAL DEDUCTION : LOGICAL REASONING MCQs

Logical Problems

Total Questions : 121 | Page 8 of 13 pages

Question 71. If the first two statements are true, the third statement is :
I. The temperature on Monday was lower than on Tuesday.
II. The temperature on Wednesday was lower than on Tuesday.
III. The temperature on Monday was higher than on Wednesday

true
false
uncertain

Discuss Question

Answer: Option C. -> uncertain
We know from the first two statements that Tuesday had the highest temperature, but we cannot know whether Monday's temperature was higher than Tuesday's

Question 72. If the first two statements are true, the third statement is :
I. A toothpick is useful.
II. Useful things are valuable.
III. A toothpick is valuable.

true
false
uncertain

Discuss Question

Answer: Option A. -> true
To the extent that a toothpick is useful, it has value.

Question 73. If the first two statements are true, the third statement is :
I. Taking the train across town is quicker than taking the bus.
II. Taking the bus across town is slower than driving a car.
III. Taking the train across town is quicker than driving a car.

true
false
uncertain

Discuss Question

Answer: Option C. -> uncertain
Both the car and the train are quicker than the bus, but there is no way to make a comparison between the train and the car.

Question 74. If the first two statements are true, the third statement is :
I. Tom puts on his socks before he puts on his shoes.
II. He puts on his shirt before he puts on his jacket.
III. Tom puts on his shoes before he puts on his shirt.

true
false
uncertain

Discuss Question

Answer: Option C. -> uncertain
There is not enough information to verify the third statement.

Question 75. If the first two statements are true, the third statement is :
I. Cloudy days tend to be more windy than sunny days.
II. Foggy days tend to be less windy than cloudy days.
III. Sunny days tend to be less windy than foggy days.

true
false
uncertain

Discuss Question

Answer: Option C. -> uncertain
Cloudy days are the most windy, but there is not enough information to compare the wind on the foggy days with the wind on the sunny days.

Question 76. If the first two statements are true, the third statement is :
I. Three pencils cost the same as two erasers.
II. Four erasers cost the same as one ruler.
III. Pencils are more expensive than rulers.

true
false
uncertain

Discuss Question

Answer: Option B. -> false
Rulers are the most expensive item.

Question 77. If the first two statements are true, the third statement is :
I. At a parking lot, a sedan is parked to the right of a pickup and to the left of a sport utility vehicle.
II. A minivan is parked to the left of the pickup.
III. The minivan is parked between the pickup and the sedan.

true
false
uncertain

Discuss Question

Answer: Option B. -> false
This is the order of the cars from left to right: minivan, pickup, sedan, sport utility vehicle.

Question 78. Fact 1: Jessica has four children
Fact 2: Two of the children have blue eyes and two of the children have brown eyes.
Fact 3: Half of the children are girls.
If the first three statements are facts, which of the following statements must also be a fact?
I: At least one girl has blue eyes.
II: Two of the children are boys.
III: The boys have brown eyes.

I only
II only
II and III only
None of the statements is a known fact.
None of the statements is a known fact.

Discuss Question

Answer: Option B. -> II only
Since one-half of the four children are girls, two must be boys. It is not clear which children have blue or brown eyes.

Question 79. Fact 1: All dogs like to run.
Fact 2: Some dogs like to swim.
Fact 3: Some dogs look like their masters.
If the first three statements are facts, which of the following statements must also be a fact?
I: All dogs who like to swim look like their masters.
II: Dogs who like to swim also like to run.
III: Dogs who like to run do not look like their masters.

I only
II only
II and III only
None of the statements is a known fact.
None of the statements is a known fact.

Discuss Question

Answer: Option B. -> II only
Statement II is the only true statement. Since all dogs like to run, then the ones who like to swim also like to run. There is no support for statement I or statement III.

Question 80. If the first two statements are true, the third statement is :
I. The bookstore has a better selection of postcards than the newsstand does.
II. The selection of postcards at the drugstore is better than at the bookstore.
III. The drugstore has a better selection of postcards than the bookstore or the newsstand.