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. All Phones can be Calculators
II. Some Phones are not Computers

Options

A. Some Mobiles are not Phones. Some Phones are Computers. All Computers are Calculators
B. Some Mobiles are not Phones. Only a few Phones are Computers. No Phones are Calculators
C. Some Mobiles are not Phones. Only a few Phones are Computers. Only a few Phones are Calculators.
D. Some Mobiles are not Phones. Only a few Phones are Computers. All Computers are Calculators.

Answer

D

Explanation

Some Mobiles are not Phones. Only a few Phones are Computers. All Computers are Calculators.

Conclusions:
I. All Phones can be Calculators – It can be possible as some Phones are Computers and all Computers are Calculators.
II. Some Phones are not Computers – It is true as only a few Phone are Computers that means some Phones are not Computers.
Hence, ‘Some Mobiles are not Phones. Only a few Phones are Computers. All Computers are Calculators.’ statement logically follows.