Advertisements
Advertisements
Question
Choose the most appropriate option for the following question.
No parrots are black.
All crows are black.
From the above premises which one of the following conclusions is true?
Options
No conclusion can be drawn.
No crows are parrots.
Some parrots are not crows
Some crows are not parrots.
Advertisements
Solution
No crows are parrots.
Explanation:
The Venn diagram is as follows:
So, No crows are parrots is true.
APPEARS IN
RELATED QUESTIONS
Read the following statement considering them to be true and therefore judge their conclusions numbered I, II and III and given your answer accordingly.
Statements: All buildings are mirrors. Some mirrors are pens. No pen is paper.
Conclusions:
I. Some papers are buildings.
II. Some pens are buildings.
III. Some papers are mirrors.
Considering given statements as true, select a logical conclusion based on the given statements.
Statements:
- Lady's Finger is tastier than cabbage
- Cauliflower is tastier than Lady's Finger
- Cabbage is not tastier than peas
Statement: The manager humiliated Sachin in the presence of his colleagues.
Conclusions:
I. The manager did not like Sachin.
II. Sachin was not popular with his colleagues.
Statement: Prime age school-going children in urban India have now become avid as well as more regular viewers of television, even in households without a TV. As a result there has been an alarming decline in the extent of readership of newspapers.
Conclusions:
I. Method of increasing the readership of newspapers should be devised.
II. A team of experts should be sent to other countries to study the impact of TV. on the readership of newspapers.
In the question given below two statements numbered I and II. You have to take the two given statements as true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follow from the given statements, disregarding commonly known facts.
I: All girls go to college.
II: Rina does not go to college.
The question contains four arguments of three sentences each. Choose the set in which the third statement is a logical conclusion of the first two.
Argument 1. All envelopes are rectangles. All rectangles are rectangular. All the envelops are rectangular.
Argument 2. Some thin are smart. Some smart things are tiny. Some thin are tiny
Argument 3. Learned are well-read. Well, read know. Learned know.
Argument 4. Dieting is good for health. Health foods are rare. Dieting is rare.
In the following questions. there are statements followed by conclusions. Find out the most appropriate response on the basis of the given statements.
Statement1: Some parrots are pigeons.
Statement 2: All pigeons are crows.
Conclusions:
I. Some parrots are crows.
II. All parrots are crows.
III. Some crows are parrots.
IV. All pigeons are parrots.
In the question below are given two statements followed by two Conclusions I and II. You have to take the two given statements to be true even if they seem to be at variance from commonly known facts and decide which of the given conclusion(s) logically follow(s) from the two given statements, disregarding commonly known facts.
Statements:
- All windows are doors.
- All entrances are windows.
- No gate is a door.
conclusions
- At least some windows are gates.
- No gate is an entrance.
In the question below are given three statements followed by three conclusions I, II, and III. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.
Statements:
- All calculators are boxes.
- All boxes are taps.
- Some taps are machines.
conclusions
- Some machines are boxes.
- Some taps are calculators.
- Some boxes are calculators.
In the question below are two or three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts?
Statements:
- Some songs are long.
- All longs are shorts.
Conclusions:
- All longs are songs.
- All shorts are longs.
