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Aptitude > Math > Area
1
The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?
1
30
2
20
3
40
4
none of these
Answer:
Option4
2
162 cm A rectangular plot measuring 90 metres by 50 metres is to be enclosed by wire fencing. If the poles of the fence are kept 5 metres apart, how many poles will be needed?
1
56m
2
34m
3
36m
4
65m
Answer:
Option1
3
The length of a rectangle is twice its breadth if its length is decreased by 5cm and breadth is increased by 5cm, the area of the rectangle is increased by 75 sq cm. Find the length of the rectangle.
1
30
2
40
3
50
4
60
Answer:
Option2
4
If a square and a rhombus stand on the same base, then the ratio of the areas of the square and the rhombus is:
1
1:1
2
1:2
3
1:3
4
1:4
Answer:
Option1
5
A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered.If the area of the field is 680 sq.ft, how many feet of fencing will be required?
1
44ft
2
88ft
3
22ft
4
11ft
Answer:
Option2
6
A rectangular parking space is marked out by painting three of its sides.If the length of the unpainted side is 9 feet, and the sum of the lengths of the painted sides is 37 feet, then what is the area of the parking space in square feet?
1
126sq.ft
2
120sq.ft
3
130sq.ft
4
135sq.ft
Answer:
Option1
7
A cow s tethered in the middle of a field with a 14feet long rope.If the cow grazes 100 sq feet per day, then approximately what time will be taken by the cow to graze the whole field?
1
616
2
716
3
816
4
516
Answer:
Option1
8
The length of a rectangular hall is 5m more than its breadth. The area of the hall is 750 m. The length of the hall is
1
20
2
25
3
30
4
35
Answer:
Option2
9
The dimensions of a room are 10m x 7m x 5m. There are 2 doors and 3 windows in the room. The dimensions of the doors are 1m x 3m. One window is of size 2m x 1.5m and the other 2 windows are of size 1m x 1.5m. The cost of painting the walls at Rs. 3 per sq m is
1
Rs.174
2
Rs.474
3
Rs.374
4
Rs.274
Answer:
Option2
10
A man runs round a circular field of radius 50m at the speed of 12 km/hr. What is the time taken by the man to take twenty rounds of the field?
1
90/7 min
2
110/7 min
3
220/7 min
4
230/7 min
Answer:
Option3
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