Statements: No cows are cats. All cats have a mustache. Conclusions: (1) Some cows are cats. (2) Some cows have a mustache. Which conclusion(s) follow?
AOnly conclusion 2 follows
BAll the conclusions follow
COnly conclusion 1 follows
DNo conclusion follows
Answer & Solution
Correct answer: D. No conclusion follows
1. 'No cows are cats' directly contradicts conclusion 1, so it fails.
2. Since no cow is a cat, the mustache property of cats cannot be passed to cows.
3. Therefore neither conclusion follows.
_Source: RRB Group D CEN-02/2018 PYQ, Q.58._
Related questions
Statements: Some books are pens. All pens are paper. Conclusions: (i) Some books are paperAll roses are flowers. Some flowers are red. Which conclusion follows?All roses are flowers. Some flowers are red. Conclusion: Some roses are red.All cats are mammals. Some mammals are pets. Conclusion: Some cats are pets.Statements: All cars are Jeeps. All Jeeps are four-wheelers. Conclusions: (1) All four-wheStatements: Some metals are iron. Some iron are heavy. Conclusions: (1) All iron are metalStatements: All petals are flowers. Some petals are yellow. All yellows are flowers. ConclStatement: All cables are chairs. No chair is pen. Conclusions: (1) No cable is pen. (2) A