DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?assertion A? and the other labelled as "reason R ". You are to examine these two statements carefully and decide if the assertion A and reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below.

• A. Assertion: In ancient times bullock cart was used as a means of transport. Reason: Aeroplanes were developed only in 1800 AD. Both A and R are true and R is the correct explanation of A.
• B. Both A and R are true but R is not the correct explanation of A.
• C. A is true but R is false.
• D. A is false but R is true.