The cost of papering the four walls of a room is Rs. 475. Each one of the length, breadth and height of another room is double that of this room. The cost of papering the walls of this new room is :

1.  Rs. 712. 50

2.  Rs. 950

3.  Rs. 1425

4.  Rs. 1900

View Answer  
4
Correct Answer :

Rs. 1900


Explanation :
No Explanation available for this question

The ratio of height of a room to its semi-perimeter is 2 : 5. It costs Rs. 260 to paper the walls of the room with paper 50 c m wide at Rs. 2 per meter allowing an area of  15 sq. m for doors and windows. The height of the rooms is:

1.  2.6 m

2.  3.9 m

3.  4 m

4.  4.2 m

View Answer  
4
Correct Answer :

4 m


Explanation :
No Explanation available for this question

The base of a triangle is 15 cm and height is 12 cm. The height of another triangle of double the area having the base 20 cm is:

1.  8 cm

2.  9 cm

3.  12.5 cm

4.  18 cm

View Answer  
4
Correct Answer :

18 cm


Explanation :
No Explanation available for this question

ABC is a triangle with base AB. D is a point on AB such that AB=5 and DB=3. What is the ratio of the area of ADC to the area of ? ABC?

1.  2 : 3

2.  3 : 2

3.  2 : 5

4.  3 : 5

View Answer  
4
Correct Answer :

3 : 2


Explanation :
No Explanation available for this question

The area of a right-angled triangle is 40 times its base, What is its height

1.  45 cm

2.  60 cm

3.  80 cm

4.  Data inadequate

5.  None of these

View Answer  
5
Correct Answer :

80 cm


Explanation :
No Explanation available for this question

If the area of a triangle is 1176 cm2and base : corresponding altitude is 3 : 4, then the altitude of the triangle is :

1.  42 cm

2.  52 cm

3.  54 cm

4.  56 cm

View Answer  
4
Correct Answer :

56 cm


Explanation :
No Explanation available for this question

The three sides of a triangle are 5 cm, 12 cm and 13 cm respectively. Then, its area is :

1.  10√3 cm2

2.  10√6 cm2

3.  20 cm2

4.  30cm2

View Answer  
4
Correct Answer :

30cm2


Explanation :
No Explanation available for this question

The sides of a triangle are in the ratio of ½ : 1/3 : 1/4 . If the perimeter is 52 cm, then the length of the smallest side is :

1.  9 cm

2.  10 cm

3.  11 cm

4.  12 cm

View Answer  
4
Correct Answer :

12 cm


Explanation :
No Explanation available for this question

The area of a triangle is 216 cm2 and its sides are in the ratio 3 : 4 : 5. The perimeter of the triangle is:

1.  6 cm

2.  12 cm

3.  35 cm

4.  72 cm

View Answer  
4
Correct Answer :

72 cm


Explanation :
No Explanation available for this question

The sides of a triangle are 3 cm, 4 cm and  5 cm. The area (in cm2) of the triangle formed by joining the mid-points of the sides of this triangle is :

1.  3/4

2.  3/2

3.  3

4.  6

View Answer  
4
Correct Answer :

3/2


Explanation :
No Explanation available for this question
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