Statements: Some boxes are round. All round things are spheres. Which of the given conclusions follow?

1.Some boxes are spheres

2.Some spheres are boxes

3.Some spheres are round

4.All spheres are round

A1, 2 and 3 follow ✓ Correct

B2, 3 and 4 follow

C1, 3 and 4 follow

D1, 2 and 4 follow

Correct answer: (A) 1, 2 and 3 follow

Explanation

Conclusions 1, 2 and 3 follow, while 4 does not.

'Some boxes are round' and 'all round things are spheres' make some boxes spheres, giving 1.

That particular converts to 'some spheres are boxes', giving 2.

'All round are spheres' converts to 'some spheres are round', giving 3.

'All spheres are round' reverses the universal and does not follow.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.