Logical Deduction Moderate Questions and Answers

Arya takes fries only one only if she gets it free with a cheese burger.
(i) Arya got a burger .
(ii) Arya had fries.
(iii) Arya got a cheese burger.
(iv) Arya did not have fries.

The statement has the logical connective 'only and only' and this implies that when A then B and when B then A.

Correct Option: D

The statement has the logical connective 'only and only' and this implies that when A then B and when B then A.

Arjun falls asleep only if it is a soft bed.
(i) Arjun fell asleep.
(ii) Arjun remains awake.
(iii) it was a soft bed .
(iv) it was hard bed.

The statement has the logical connective 'only' and it does not imply that Arjun will fall asleep every time there is a soft bed.

Correct Option: A

The statement has the logical connective 'only' and it does not imply that Arjun will fall asleep every time there is a soft bed.

Only those living in Tilli are unfriendly.
(i) Rohan lives in Tilli.
(ii) Rohan lives in Rampur.
(iii) Rohan is unfriendly
(iv) Rohan may be unfriendly.

The statement has the logical connective 'only' and it does not imply that all those living in Tilli are unfriendly.

Correct Option: C

The statement has the logical connective 'only' and it does not imply that all those living in Tilli are unfriendly.

Those visiting the Taj Mahal are either tourists or historians.
(i) Siya is historian or a tourist.
(ii) Riya is a tourist.
(iii) Siya is visiting the Taj Mahal
(iv) Riya is visiting the Taj Mahal

The statement is a simple 'either A or B'.

Correct Option: C

The statement is a simple 'either A or B'.

Direction: In the following questions, there is a main statement in each question followed by four statement (i to iv). From the given choice (a to d), find the most logically paired option which is logically consistent with the main statement.

When Anu comes first and Tanu comes second, Nikki and Sona cannot be selected in that order.
(i) Anu and Tanu came first.
(ii) Anu came first and Tanu came second
(iii) Nikki and Sona got selected in that order.
(iv) Sona and Nikki got selected in tht order.

The statement is of the type 'when A then B, when not B then not A' where A is 'Anu comes first and Tanu second' and B is 'Nikki and Sona cannot be selected in that order'.

Correct Option: C

The statement is of the type 'when A then B, when not B then not A' where A is 'Anu comes first and Tanu second' and B is 'Nikki and Sona cannot be selected in that order'.