Each of these questions consists of a question followed by information in three statements I, II and III. You have to study the question and the statements and decide that the information in which of the statements(s) is/are required to answer the question.
Conclusions:
I. Some Telegrams are not Postcards
II. All Telegrams can be Letters

Options

A. (a) Some Mails are not Telegrams. Some Telegrams are Postcards. All Postcards are Letters.
B. (b) Some Mails are not Telegrams. Only a few Telegrams are Postcards. No Postcards are Letters.
C. (c) Some Mails are not Telegrams. Only a few Telegrams are Postcards. All Postcards are Letters.
D. (d) Some Mails are not Telegrams. Only a few Telegrams are Postcards. No Telegrams are Letters.

Answer

C

Explanation

Some Mails are not Telegrams. Only a few Telegrams are Postcards. All Postcards are Letters.

Conclusions: I. Some Telegrams are not Postcards – It is true as only a few Telegrams are Postcards that means some Telegrams are not Postcards.
II. All Telegrams can be Letters – It is true as some Telegrams are Postcards and all Postcards are Letters so it can be possible.
Hence, ‘Some Mails are not Telegrams. Only a few Telegrams are Postcards. All Postcards are Letters.’ statement logically follows.