Aptitude Question Papers

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AREA QUESTIONS AND ANSWERS 13 to 15

13. The length of a rectangle is doubled while its breadth is halved. What is the percentage change in area?

50
75
no change
none of these

14. A rectangle has 15 cm as its length and 150 cm2 as its area. Its area is increased to 1 times the orginial area by increasing only its length. Its new perimetrer is:

50 cm
60 cm
70 cm
80 cm

15. One side of a rectangular field is 4 metres and its diagonal is 50 metrs. The area of the field is:

12 m2
15 m2
20 m2
m2

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