Perimeter and Area

Multiple Choice Questions

32. 36 unit squares are joined to form a rectangle with the least perimeter. Perimeter of the rectangle is

  • (a) 12 units               
  • (b) 26 units               
  • (c) 24 units               
  • (d) 36 units

31. The side of a square is 10cm. How many times will the new perimeter become if the side of the square is doubled?

  • (a) 2 times                 
  • (b) 4 times                 
  • (c) 6 times                 
  • (d) 8 times

30. If the sides of a parallelogram are increased to twice its original lengths, how much will the perimeter of the new parallelogram?

  • (a) 1.5 times            
  • (b) 2 times                 
  • (c) 3 times                 
  • (d) 4 times

29. Two regular hexagons of perimeter 30 cm each are joined as shown in figure. The perimeter of the new figure is

  • (a) 65cm                    
  • (b) 60cm                    
  • (c) 55cm                    
  • (d) 50cm

28. Four regular hexagons are drawn so as to form the design as shown in figure. If the perimeter of the design is 28 cm, the length of each side of the hexagon is

  • (a) 2 cm                     
  • (b) 2.5 cm                  
  • (c) 3 cm                     
  • (d) 3.5 cm

27. If p squares of each side 1 mm makes a square of side 1 cm, then p is equal to

  • (a) 10                         
  • (b) 100                       
  • (c) 1000                     
  • (d) 10000

26. If 1 m2 = x mm2, then the value of x is

  • (a) 1000                    
  • (b) 10000                  
  • (c) 100000                
  • (d) 1000000

25. 12 m2 is the area of

  • (a) a square with side 12 m
  • (b) 12 squares with side 1 m each
  • (c) 3 squares with side 4 m each
  • (d) 4 squares with side 3 m each

24. How many squares of side 1 m, makes a square of side 5 km?

  • (a) 250000                
  • (b) 2500000              
  • (c) 250000000         
  • (d) 25000000

23. If each side of a rhombus is doubled, how much will its area increase?

  • (a) 1.5 times            
  • (b) 2 times                 
  • (c) 3 times                 
  • (d) 4 times

22. Area of a right triangle is 54 cm2. If one of its legs is 12 cm long, its perimeter is

  • (a) 18 cm                   
  • (b) 27 cm                   
  • (c) 36 cm                   
  • (d) 54 cm

21. Area of triangle PQR is 100 cm2. If altitude QT is 10 cm, then its base PR is

  • (a) 20 cm                   
  • (b) 15 cm                   
  • (c) 10 cm                   
  • (d) 5 cm

20. Let MNO is a right-angled triangle. Its legs are 6 cm and 8 cm long. Length of the perpendicular NP on the side MO is

  • (a) 4.8 cm                  
  • (b) 3.6 cm                  
  • (c) 2.4 cm                  
  • (d) 1.2 cm

19. Area of a right-angled triangle is 30 cm2. If its smallest side is 5 cm, then its hypotenuse is

  • (a) 14 cm                   
  • (b) 13 cm                   
  • (c) 12 cm                   
  • (d) 11cm

18. A wire is bent to form a square of side 22 cm. If the wire is rebent to form a circle, its radius is

  • (a) 22 cm                   
  • (b) 14 cm                   
  • (c) 11 cm                   
  • (d) 7 cm

17. A wire is bent to form a square of side 22 cm. If the wire is rebent to form a circle, its area is

  • (a) 196 cm2                    
  • (b) 212 cm2                    
  • (c) 616 cm2                    
  • (d) 644 cm2

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