AP ICET 2021|Arithmetical Ability|AREAS

 

PROBLEMS ON AREAS

1. If the perimeter of a rectangle and a square each is equal to 80 cm and the difference of their areas is 100 sq.cm the sides of the rectangle are:

1) 25 cm, 15 cm  

2) 45 cm, 20 cm

3) 50 cm, 20 cm

4) 30 cm, 10 cm  

5) 80 cm, 30 cm

 

2. There are two square fields. Of the two square fields one is 1 hectare area while the other is broader by 8% find the difference in area expressed in sq.m?

1) 1554

 2) 1364

 3) 1896

 4) 1483

5) 1664

3. Amit walked 12 m towards east from point A to point B. He then turned to his right and walked 7m to reach point C. He then turned to his right to reach point D which is 12m from C. Finally ABCD formed a rectangular plot. What is the perimeter of this plot?

 1) 28 m

2) 38 m

3) 30 m

4) 36 m

 5) 26 cm

4. If the length of a rectangle is increased by 10% and breadth is decreased by 5%. Then the change in area is?

 1) 5.5% decrease

 2) 5% increase

 3) 4.5% increase

4) 4% decrease

5) 3.5 decrease

5. If the length of a rectangular field is doubled and its breadth is halved (i.e. reduced by 50%). What is percentage change in its area?

 1) 5%

2) 0%

3) 10%

4) 6%

5) 3%

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