Q.1:
A rectangular field has dimensions 25m by 15m. Two mutually perpendicular passage of 2m width have been left in its central part and grass has been grown in rest of the field. The area under the grass is____________?
A.
295m2
B.299m2
C.
300m2
D.
375m2
Q.2:
The perimeter of a rectangle is 60m. If its length is twice its breadth then its area is__________?f
A.
160m2
B.
180m2
C.200m2
D.
220m2
Q.3:
The area of a rectangle is 12 sq.metres and its length is 3 times that of its breadth. What is the perimeter of the rectangle?
A.
14m
B.
18m
C.
4m
D.None of these
Q.4:
The largest size of bamboo that can be placed in a square of area 100 sq.meters is__________?]
A.
10m
B.14.14m
C.
20m
D.
25m
Q.5:
The diagonal of a square is 42cm. The diagonal is another square whose area is double that of the first square is__________?
A.8cm
B.
82cm
C.
16cm
D.
42cm
Q.6:
The perimeter of a rectangle and square are 160m each. The area of the rectangle is less than that its square by 100cm meters. The less than that of the square by 100 sq.meters. the length of rectangle is___________?
A.
30m
B.
40m
C.50m
D.
60m
Q.7:
The length of a rectangular plot is twice its breadth. If the area of the rectangular plot is 6075 sq.meters .what is its length?
A.
45m
B.
75m
C.135m
D.
None of these
Q.8:
The length of a rectangular plot is increased by 25%. To keep its area uncharged the width of the plot should be___________?
A.
Kept unchanged
B.
Increased by 25%
C.
Increased by 20%
D.Reduced by 20%
Q.9:
If the length and width of a rectangular grand are each increased by 20% then what would be the percent increase in the area of the garden?
A.
20%
B.
24%
C.
36%
D.44%
Q.10:
If the length of a rectangle is increased by 20% and its breadth is decreased by 20% then it area________?m