If 'A+B' means 'A is daughter of B', 'A-B' means ‘A is

Statement:

Small amounts of oil can cause coral reef fish to engage in risky behaviours, according to a new study.

Statements: H = U < S ≤ V > F = E > J  ≥ I

Conclusion

I: H < F

II: V > I

Based on the scenario given, choose the decision from the options which would be most suitable.

Statement:

Generally Noida are Meerut.

A few Meerut are Delhi.

All Delhi are Raipur.

No Meerut is Ranchi.

Statement: 

Some P are Q

Only a few R are S.

Only a few S are T.

Only S are P.

Conclusion:

Statements: W < V < X; V > Y ≤ Z

Conclusions: I. W ≤ Z                                       II. X > Z

Statement:

Only a few horses are camel.

Mostly camel are rabbit.

Each rabbit is cow.

Conclusion:

Statement:

Some mad are sad.

Only a few sad are bad.

All bad are lad.

No lad is dad.    

All dad are gad.  

Statements:  M @ N, P @ R, P & N

Conclusions:      a ) M @ P              b) R & M