Listening to music during exercise improves exercise performance and reduces discomfort. Scientists researched whether listening to music while studying can help students learn better and the results were inconclusive. Students who needed external stimulation for studying fared worse while students who did not need any external stimulation benefited from music.

Which one of the following statements is the CORRECT inference of the above passage?

A jigsaw puzzle has 2 pieces. One of the pieces is shown above. Which one of the given option for the missing piece when assembled will form a rectangle? The piece can be moved. rotated or flipped to assemble with the above piece.

Six students P, Q, R, S, T and U, with distinct heights, compare their heights and make the following observations:

Observation I : S is taller than R.

Observation II : Q is the shortest of all.

Observation III : U is taller than only one student.

IV : T is taller than S but is not the tallest.

The number of students that are taller than R is the same as the number of students shorter than ________.

Given below are two statements I and II and two conclusions I and II :

Statement :

I. All bacteria are microorganisms.

II. All pathogens are microorganisms.

Conclusions :

I. Some pathogens are bacteria.

II. All pathogens are not bacteria

Based on the above statements and conclusions, which one of the following options is logically CORRECT?