1
GATE CE 2023 Set 2
MCQ (Single Correct Answer)
+1
-0.33

In how many ways can cells in a 3 × 3 grid be shaded, such that each row and each column have exactly one shaded cell? An example of one valid shading is shown. 

GATE CE 2023 Set 2 General Aptitude - Numerical Ability Question 13 English
A
2
B
9
C
3
D
6
2
GATE CE 2023 Set 2
MCQ (Single Correct Answer)
+1
-0.33

There are 4 red, 5 green, and 6 blue balls inside a box. If 𝑁 number of balls are picked simultaneously, what is the smallest value of 𝑁 that guarantees there will be at least two balls of the same colour?

One cannot see the colour of the balls until they are picked.

A
4
B
15
C
5
D
2
3
GATE CE 2023 Set 2
MCQ (Single Correct Answer)
+1
-0.33

Consider a circle with its centre at the origin (O), as shown. Two operations are allowed on the circle.

Operation 1: Scale independently along the x and y axes.

Operation 2: Rotation in any direction about the origin.

Which figure among the options can be achieved through a combination of these two operations on the given circle? 

GATE CE 2023 Set 2 General Aptitude - Numerical Ability Question 11 English
A
GATE CE 2023 Set 2 General Aptitude - Numerical Ability Question 11 English Option 1
B
GATE CE 2023 Set 2 General Aptitude - Numerical Ability Question 11 English Option 2
C
GATE CE 2023 Set 2 General Aptitude - Numerical Ability Question 11 English Option 3
D
GATE CE 2023 Set 2 General Aptitude - Numerical Ability Question 11 English Option 4
4
GATE CE 2023 Set 1
MCQ (Single Correct Answer)
+1
-0.33

In the given figure, PQRSTV is a regular hexagon with each side of length 5 cm. A circle is drawn with its centre at V such that it passes through P. What is the area (in cm2 ) of the shaded region? (The diagram is representative) 

GATE CE 2023 Set 1 General Aptitude - Numerical Ability Question 17 English
A
$\frac{25\pi}{3}$
B
$\frac{20\pi}{3}$
C
D
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