Who has been appointed as the chairman of MasterCard

Statements:

At least some Chlorine are Bromine

Every Bromine are Sulphur

Each Sulphur are Hydrogen

Conclusions:

Statements:

Some Black are Red.

Some Red are White.

Only White is Green.

Conclusion:

Statements:

All shoes are shirts

Only a few shirts are watches

Some watches are not mobile

Only a few mobile are copy

Statements:

Some children are parents.

All parents are infants.

Some infants are adolescent.

Conclusions:

Statement:

Only Asha is Jeenat

Some Asha are Charu

Some Charu are not Yash

Conclusion:

Statements:All jackets are collars.

All collars are shirts.

All chains are shirts.

Conclusions:I. No collar is chain.

Statements:

All pineapple are peach.

All peach are cherry.

All cherry are papaya.

Conclusions:

Statements:

Only a few Hen are Duck

All Bat are Rat

No Duck is a Bat

Some Rat are Cat

Conclusions:

Statements: 

Only a few Facebook are Messenger.

No Messenger is Hangout.

Only a few Snapchat are Whatsapp.