Rust of rose is caused by

Statement 

No Meerut are noida

70% Noida are delhi

Every delhi is dehradun

निष्कर्ष

Statements:

All spoons are forks.

All plates are forks.

All forks are bowls.

Conclusions:

Statements :

Few slate is chalk

Mostly chalk is board

Conclusions :

I. Some slate is not board

II. Some board can be slate

Statements : Some data are information

All information are news.

All news are statements.

Statements: No den is a shelter.

                                All shelters are sheds.

Statement:

Some divide are plus.

Only a few plus are minus.

All multiply are minus.

Statement:

Atleast some goa are Shimla.

A few Shimla are Nainital. 

Only a few Delhi are Shimla.      

Statements: Some lands are sea.

Some breeze are lands.

Some lands are water.

Statements: All flowers are books.

All books are carpets.

Some carpets are keys.

Some keys are locks.