1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is

1.  12 cm

2.  

3.  4 cm

4.  9 cm

View Answer  
4
Correct Answer :

9 cm


Explanation :
No Explanation available for this question

The base radii of two cylinders are in the ratio 2 : 3 and their heights are in the ratio 5:3. The ratio of their volumes is :

1.  27 : 20

2.  20 : 27

3.  9:4

4.  4:9

View Answer  
4
Correct Answer :

20 : 27


Explanation :
No Explanation available for this question

The moon’s distance from the earth is 360000 km and its diameter subtends an angle of 30' at the eye of the observer. Find the diameter of the moon.

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A hemisphere and a cone have equal bases. If their heights are also equal, the ratio of their curved surfaces will be :

1.  

2.  

3.  1 : 2

4.  2 : 1

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

Three solid metallic spheres of diameters 6 cm, 8 cm and 10 cm are melted and recast into a new solid sphere. The diameter of the new sphere is :

1.  4 cm

2.  6 cm

3.  8 cm

4.  12 cm

View Answer  
4
Correct Answer :

12 cm


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

If a: b = 2 : 3 and b : c = 4 : 5, find a2 : b2 : bc

1.  4 : 9 : 45

2.  16 : 36 : 45

3.  16 : 36 : 20

4.  4 : 36 : 40

View Answer  
4
Correct Answer :

16 : 36 : 45


Explanation :
No Explanation available for this question

If (x + y - z)2 + (y + z - a)2 + (z + x - y)2 = 0, then the value of x + y-z is

1.  

2.  

3.  3

4.  0

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

ABC is an isosceles triangle in which AB = AC. If D and E are the mid-points of AB and AC respectively. The point B, C, D, E are :

1.  Collinear

2.  Non-collinear

3.  Concyclic

4.  None of these

View Answer  
4
Correct Answer :

Concyclic


Explanation :
No Explanation available for this question
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