SSC CGL Geometry Polygon Set 1 : Ques No 1
The ratio between the number of sides of two regular polygons is 1 : 2 and the ratio between their interior angles are 2 : 3. The number of sides of the polygons are respectively
Options:
A. 5. 10
B. 6, 12
C. 7, 14
D. 4, 8
Answer: D
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 2
If the ratio of an external angle and an internal angle of a regular polygon is 1 : 17, the number of sides of the regular polygon is
Options:
A. 12
B. 36
C. 20
D. 18
Answer: D
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 3
If the ratio number of sides of two polygons is 5 : 6 and the ratio of their internal angles is 24 : 25, the number of sides of two polygons are
Options:
A. 20, 24
B. 5, 6
C. 15, 18
D. 10, 12
Answer: D
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 4
An interior angle of a regular polygon is five times its exterior angle. Then the number of sides of the polygon is
Options:
A. 16
B. 18
C. 12
D. 14
Answer: C
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 5
One angle of a pentagon is 140 degree. If the remaining angles are in the ratio 1 : 2 : 3 : 4, then find the value of greatest angle.
Options:
A. 150 degree
B. 180 degree
C. 160 degree
D. 170 degree
Answer:
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 6
The sum of all exterior angles of a convex polygon of n sides is
Options:
A. 4 Right Angles
B. 2/n Right Angles
C. (2n – 4) Right Angles
D. n/2 Right Angles
Answer:
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 7
The sum of the interior angles of polygon is 1440 degrees. The number of sides of the polygon is
Options:
A. 8
B. 9
C. 10
D. 12
Answer:
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 8
The ratio of measure of an interior angle of a regular octagon to the measure of its exterior angle is
Options:
A. 1 : 3
B. 2 : 3
C. 3 : 1
D. 3 : 2
Answer:
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 9
The sum of all the interior angles of regular polygon is four times the sum of its exterior angles. The polygon is
Options:
A. Hexagon
B. Triangle
C. Decagon
D. Nonagon
Answer:
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 10
A polygon has 54 diagonals. The number of sides in the polygon is
Options:
A. 7
B. 9
C. 12
D. 19
Answer:
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 11
If each interior angle of a regular polygon is 3 times its exterior angle, the number of sides of the polygon is
Options:
A. 4
B. 5
C. 6
D. 8
Answer:
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 12
The number of diagonals of a polygon having 25 sides is
Options:
A. 250
B. 240
C. 275
D. 265
Answer: C
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 13
A polygon has 20 sides. If one of its vertices of the polygon does not send any diagonal, then the total number of diagonals in the polygon is
Options:
A. 170
B. 153
C. 160
D. 147
Answer: B
Solution:
SSC CGL Geometry Polygon Set 1 : Ques No 14
A polygon has 18 sides. If three of its vertices of the polygon do not send any diagonal, then the total number of diagonals in the polygon is
Options:
A. 56
B. 90
C. 120
D. 135
Answer: B
Solution: