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Aptitude preparation

Aptitude on Area

Aptitude questions and answers on area

1.

How many poles required to lay a fence for a 90m × 50m plot by leaving 10 meters apart?

A.

26

B.

28

C.

56

D.

98

2.

Calculate the length of the fencing of a plot, whose  area is 1360ft. Here you have to leave one side of plot open whose length is 40ft?

A.

88

B.

28

C.

58

D.

98

3.

If the cost to pave a room floor is rs 400 per sq.metre where room dimensions are 8m and 6m. Calculate the total cost?

A.

Rs. 18,200

B.

Rs. 10,200

C.

Rs. 19,200

D.

Rs. 200

4.

When length of a rectangular hall is 5m more than width and area is 750 m² . Calculate the length of the hall?

A.

20 m

B.

10 m

C.

8 m

D.

30 m

5.

When 2 × width + 1 length  =  30m and area of that rectangular plot is 100sq.m. Find the dimensions of the plot?

A.

20m × 5m

B.

10m × 5m

C.

8m × 5m

D.

30m × 5m

6.

Rectangular garden length and width ratio is 3 : 2. If you increase length by 5m, then area of the garden will become 2600sq.m. Find the width of the  Garden?

A.

40m

B.

23m

C.

56m

D.

78m

7.

The length of a banner is 8 cm more than its breadth. Then find the length and width of the banner?

A.

28, 22

B.

28, 20

C.

24, 20

D.

None

8.

When we decrease the length by 50% and increase the width by 6times. Calculate the  change ratio of the rectangle area?

A.

110%

B.

180%

C.

10%

D.

150%

9.

Calculate the cost of gardening which has one metre broad boundary, Where the rectangular plot perimeter is 340 metres at the rate of Rs. 10 per square metre?

A.

Rs.  3110

B.

Rs.  3220

C.

Rs.  3330

D.

Rs.  3440

10.

A rectangular room with 20m × 15m dimensions will be layed with a carpet by leaving 2m from the walls. Calculate the cost of the carpet where  50rs is the cost per sq metre?

A.

Rs.  4400

B.

Rs.  6600

C.

Rs.  8800

D.

Rs.  3440

11.

Find the least number of square marbels needed to pave the floor whose dimensions are 15m 17cm × 9m 2cm?

A.

814

B.

231

C.

941

D.

510

12.

Two squares can be formed by dividing a rectangular plot by a partition. When the partition length is 10mt what is the area of rectangular plot?

A.

100m²

B.

200m²

C.

300m²

D.

400m²

13.

A blanket lost 20% length and 10% width when washed. Evaluate the decrease percentage of blanket area?

A.

28%

B.

82%

C.

19%

D.

74%

14.

A square and a rectangle have equal areas. If square perimeter is A and Rectangular perimeter is B, then find the relation between A and B?

A.

A < B

B.

A > B

C.

A = B

D.

None

15.

When we make 10% excess of one side of a square, then calculate the error percentage of the area?

A.

20%

B.

21%

C.

22%

D.

29%

16.

When we increase the diagonal to 1.5 times, Find the different ratios of the two squares?

A.

4 : 7

B.

4 : 9

C.

4 : 1

D.

4 : 3

17.

The sides of a triangle are in the ratio of 6 : 4 : 3 . If the perimeter is 52 cm, then find the length of small side of the triangle?

A.

32cm

B.

12cm

C.

19cm

D.

10cm