Statement I All sparrows are pigeons.
Statement II No pigeon is parrot.
Statement III Some parrots are crows.
Conclusion A No sparrow is parrot.
Conclusion B Some sparrows are crows.
Conclusion C All pigeons are sparrows.
Conclusion D Some parrots are crows.

Only A and D follows

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None follows

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Only Band C follow

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Only Band D follow

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None of these

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Solution

The correct option is A Only A and D follows
Statement I All sparrows are pigeons.
Statement II No pigeon is parrot.
Statement III Some parrots are crows.
Conclusion A No sparrow is parrot. True, No pigeon is a parrot and all sparrows are pigeon, so no sparrow is parrot.
Conclusion B Some sparrows are crows. False, Some parrots are crows. No pigeon is a parrot and all sparrows are pigeon, so no sparrow is parrot or crow.
Conclusion C All pigeons are sparrows. False, all sparrows are pigeons, but some pigeons are sparrows.
Conclusion D Some parrots are crows. True, statement III.
A and D follow

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Similar questions

In each of the questions below are given four statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance from 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 parrots are pigeons.
Some crows are pigeons.
Some sparrows are crows.
All sparrows are koels.

Conclusions
I. Some koels are crows.
II. Some parrots are crows.
III. Some sparrows are pigeons.
IV. No crow is a parrot.

Q. In each of the questions below are given four statements followed by four conclusions numbered I, II, III and IV. You have to take the given statements to be true even if they seem to be at variance from 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 parrots are pigeons.
Some crows are pigeons.
Some sparrows are crows.
All sparrows are koels.

Conclusions
I. Some koels are crows.
II. Sonic parrots are crows.
III. Some sparrows are pigeons.
IV. No crow is a parrot.

Q. Statements :

(A) Some parrots are pigeons.

(B) 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.

Then which of the conclusions follows the given statements.

Q. Statements: (A) Some parrots are pigeons.
(B) All pigeons are crows. Conclusions:
I.Some parrots are crows.
II.All parrots are crows.
Ill. Some crows are parrots.
IV. All pigeons are parrots.

Q. Statements: All crows are birds.
All birds are parrots.
Some birds are sparrows.
Conclusions: I. All crows are parrots.
II. All parrots being sparrows is a possibility.

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Statement I All sparrows are pigeons.Statement II No pigeon is parrot.Statement III Some parrots are crows.Conclusion A No sparrow is parrot.Conclusion B Some sparrows are crows.Conclusion C All pigeons are sparrows.Conclusion D Some parrots are crows.

Statement I All sparrows are pigeons.
Statement II No pigeon is parrot.
Statement III Some parrots are crows.
Conclusion A No sparrow is parrot.
Conclusion B Some sparrows are crows.
Conclusion C All pigeons are sparrows.
Conclusion D Some parrots are crows.