1
GATE CSE 2023
MCQ (Single Correct Answer)
+2
-0.67

Which one of the following options best describes the transformation of the 2-dimensional figure P to Q, and then to R, as shown?

A

Operation 1 : A clockwise rotation by 90$$^\circ$$ about an axis perpendicular to the plane of the figure

Operation 2 : A reflection along a horizontal line

B

Operation 1 : A counter clockwise rotation by 90$$^\circ$$ about an axis perpendicular to the plane of the figure

Operation 2 : A reflection along a vertical line

C

Operation 1 : A clockwise rotation by 90$$^\circ$$ about an axis perpendicular to the plane of the figure

Operation 2 : A reflection along a vertical line

D

Operation 1 : A counter clockwise rotation by 180$$^\circ$$ about an axis perpendicular to the plane of the figure

Operation 2 : A reflection along a vertical line

2
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+2
-0.67
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
Listening to music has a clear positive effect on learning in all students. Music has a positive effect only in some students who exercise.
B
Listening to music has a clear positive effect on physical exercise. Music has a positive effect on learning only in some students.
C
Listening to music has a clear positive effect on physical exercise and on learning.
D
Listening to music has no effect on learning and a positive effect on physical exercise.
3
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+2
-0.67

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.
A
B
C
D
4
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+2
-0.67
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 ________.
A
R
B
P
C
S
D
T
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