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##### objective Ques (161 results)
31)

In $$\triangle ABC,$$ D is a point on BC such that AD is the bisector of $$\angle A$$, AB = 11.7 cm. AC = 7.8 cm. and BC = 13 cm. What is the length (in cm.) of DC?

SSC CGL 2020
A)

7.8

B)

6.5

C)

5.6

D)

5.2

32)

The length of each equal side of an isosceles triangle is 15 cm and the included angle between those two sides is 90°.Find the area of the triangle.

SSC CGL 2020
A)

$${225\over2}cm.^2$$

B)

$${125\over2}cm.^2$$

C)

$$225 cm.^2$$

D)

$${255\over2} cm.^2$$

33)

In $$\triangle ABC$$, D, E and F, are the midpoints of sides AB, BC and CA, respectively. If AB = 12 cm, BC = 20 cm and CA = 15 cm, then the value of $${1\over2}(DE+EF+DF)$$ is:

SSC CGL 2020
A)

23.5 cm

B)

5.88 cm

C)

11.75 cm

D)

15.67 cm

34)

In the given figure, the measure of $$\angle BAC$$ is:

SSC CGL 2020
A)

$$56^0$$

B)

$$62^0$$

C)

$$58^0$$

D)

$$48^0$$

35)

In the given figure, $$\triangle ABC$$ is an isosceles triangle, in which AB = AC, $$AD \perp BC$$, BC = 6 cm. and AD = 4 cm. The length of AB is:

SSC CGL 2020
A)

7 cm.

B)

6 cm.

C)

5 cm.

D)

4 cm.

36)

In $$\triangle ABC$$, if the ratio of angles is in the proportion 3 : 5 : 4, then the difference between the biggest and the smallest angles (in degrees) is:

SSC CGL 2020
A)

$$30^0$$

B)

$$35^0$$

C)

$$25^0$$

D)

$$20^0$$

37)

In a triangle ABC, DE is parallel to BC; AD = a, DB = a + 4, AE = 2a + 3, EC = 7a. What is the value of a if a > 0 ?

SSC CGL 2020
A)

4

B)

3

C)

6

D)

5

38)

In a triangle, if the measures of two sides are 5 cm and 8 cm, then the third side can be:

SSC CGL 2020
A)

3 cm

B)

4 cm

C)

14 cm

D)

2 cm

39)

In the given figure, if AB = 10 cm, $$\angle ABD = 90^0$$ and AD = 17 cm, then the measure of CD is:

SSC CGL 2020
A)

10 cm

B)

8 cm

C)

9 cm

D)

11 cm

40)

If the area of an equilateral triangle is $$36\sqrt3\space cm^2$$, then the perimeter of the triangle is:

SSC CGL 2020
A)

$$36\sqrt3\space cm$$

B)

$$18\sqrt3\space cm$$

C)

12 cm

D)

36 cm

showing 31 - 40 results of 161 results

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