The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area

1.  25% increase

2.  50% increase

3.  50% decrease

4.  75 % decrease

View Answer  
4
Correct Answer :

50\% increase


Explanation :
No Explanation available for this question

The length of a rectangle is increased by 60%. By what percent would the width have to be decreased so as  to maintain the same area

1.  37 %

2.  60%

3.  75 %

4.  120%

View Answer  
4
Correct Answer :

37 \%


Explanation :
No Explanation available for this question

The length of a rectangle is decreased by r%, and the breadth is increased by (r+5)%,Find r, If the area of the rectangle is unaltered.

1.  5

2.  8

3.  10

4.  15

5.  20

View Answer  
5
Correct Answer :

20


Explanation :
No Explanation available for this question

The length of a rectangle is increased by 60%. By what percent would the width have to be decreases so as to maintain the same area

1.  37(1/2)%

2.  60%

3.  75%

4.  120%

View Answer  
4
Correct Answer :

37(1/2)\%


Explanation :
No Explanation available for this question

If the area of a rectangular plot increases by 30% while its breadth remains same, what will be the ratio of the areas of new and old figures

1.  1 : 3

2.  3 :1

3.  4 : 7

4.  10 : 13

5.  None of these

View Answer  
5
Correct Answer :

None of these


Explanation :
No Explanation available for this question

A typist uses a sheet measuring 20 cm by 30 cm lengthwise. If a margin of 2 cm is left on each side and a 3 cm margin on top and bottom, then percent of used for typing is:

1.  40

2.  60

3.  64

4.  72

View Answer  
4
Correct Answer :

64


Explanation :
No Explanation available for this question

A room is 15 feet long and 12 feet broad. A mat has to be placed on the floor of this room leaving 1 feet space from the walls. What will be the cost of the mat at the rate of Rs. 3.50 per square feet

1.  Rs. 378

2.  Rs. 472.50

3.  Rs. 490

4.  Rs. 630

View Answer  
4
Correct Answer :

Rs. 378


Explanation :
No Explanation available for this question

What will be the cost of gardening 1 metre broad boundary around a rectangular plot having perimeter of 340 meters at the  rate of Rs. 10 per square metres

1.  Rs. 1700

2.  Rs. 3400

3.  Rs. 3440

4.  Cannot be determined

5.  None of these

View Answer  
5
Correct Answer :

Rs. 3440


Explanation :
No Explanation available for this question

2 meters broad pathway is to be constructed around a rectangular plot on the inside The area of the plot is 96 sq.m. The rate of construction is Rs 500 per square meter. Find the total cost of the construction.

1.  Rs. 2400

2.  Rs. 4000

3.  Rs. 4800

4.  Data inadequate

5.  None of these

View Answer  
5
Correct Answer :

Data inadequate


Explanation :
No Explanation available for this question

within a rectangular garden 10 m wide and 20 m long. We wish to pave a walk around the borders of uniform width so as to leave an area of 96 m2 for flowers. How wide should the walk be

1.  1 m

2.  2 m

3.  2.1 m

4.  2.5 m

View Answer  
4
Correct Answer :

2 m


Explanation :
No Explanation available for this question
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