**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: **

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**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: **

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**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:**