Slip test 4 Understanding Quadrilaterals and Mensuration 20marks

 


Slip Test -4

Class- 8                                                 Subject - Maths 

Chapters - Understanding Quadrilaterals and Mensuration                        Marks : 20

Section A  MCQs of 1 mark each

  1. The side of a cube whose surface area id 600 cm2 is ____

            (a) 8 cm           (b) 10 cm (c) 18 cm           (d) 6 cm

  1. If the edge of a cube is 1 cm then which of the following is its volume? 

             (a) 6 cm3      (b) 3cm3        (c) 1 cm3          (d) None

  1. The measure of each exterior angles of a regular polygon of 15 sides is

             (a) 30°          (b) 45°         (c) 60°          (d) 24° 

  1. The angle sum of a convex polygon with number of sides ‘n’ is

             (a) (n-2) x 180°    (b) n x 180°      (c) (n-2) x 90°     (d) (n-3) x 180°

  1. The height of a cuboid whose base area is 180 cm2 and volume is 900 cm3 is ___

             (a) 13 cm               (b)  6 cm     (c) 5 cm                 (d) 20 cm

  1. If each edge of a cube is doubled, then the surface area will increase ____ times.

             (a) 3                (b) 4    (c) 5                 (d) 6 

  1. How many sides does a regular polygon have, if the measure of an exterior angle is 24° ?        

             (a) 10             (b) 15               (c) 20            (d) 24

  1. The diagonals of a rhombus are 7.5 cm and 12 cm. Then its area is ____ 

            (a) 45 sq.cm (b) 90 sq.cm (c) 39 sq.cm (d) 19.5 sq.cm

  1. Total Surface area of cuboid = 

            a) lbh             b) 2(lb+bh+hl)          c) 2h(i+b)        d) l+b+h

  1. How many diagonals does a regular hexagon have?

           (a) 2                        (b) 0                           (c) 4                        (d) 9


Section B  Very Short Answer of 1 mark each


  1. Find the height of the cylinder whose radius is 7 cm and total surface area is 968 cm2. 

  2. 1 m3 = _____ litres.

  3. The diagonals of a rhombus are 24cm and 10cm.What is the  perimeter of the rhombus?

  4. If the surface area of a cube is 486 sq.cm, find its volume.

  5. Find the height of a cuboid whose volume is 275 cm3 and base area  is 25 cm2.

  6. The measures of two adjacent angles of a parallelogram are in the ratio 3:2. Find the measure of each of the angles of parallelogram?

  7. The volume of cuboid of dimensions 4 cm, 2 cm and 3 cm is  _____

  8.  The formula to find the  area of four walls of the room where l,b,h are length, breadth and height resp., is  —-----

  9. The measure of each interior angle of a regular polygon is 140o, then number of sides  that regular polygon has ___

  10. Formula to find the curved surface area of cylinder is _____



Slip Test -4 -ANSWER KEY

Class- 8                                                 Subject - Maths 

Chapters - Understanding Quadrilaterals and Mensuration                        Marks : 20

Section A  MCQs of 1 mark each

  1.  (b) 10 cm

  2.  (c) 1 cm3          

  3.  (d) 24° 

  4.  (a) (n-2) x 180°  

  5.  (c) 5 cm                 

  6. (b) 4    

  7.  (b) 15            

  8.  (a) 45 sq.cm

  9. b) 2(lb+bh+hl)       

  10.  (d) 9



Section B  Very Short Answer of 1 mark each


  1. 15 cm

  2. 1000

  3. 52 cm

  4. 729 cm³

  5. 11CM

  6. 108 and 72

  7. 24 cm³

  8. 2(lh+bh)

  9. 9 sides

  10. 2rh

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