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  1. Sum of length, width and depth of a cuboid is ‘m’ and its diagonal is ‘n’. Its surface area?
    1. M^2
    2. M^2-n^2
    3. N^2
    4. M^2+n^2
  2. The areas of two spheres are in the ratio of their volumes is?
    1. 1:27
    2. 1:81
    3. 1:729
    4. 1:3
  3. A cone a hemisphere and a cylinder stand on equal base and have the same heigt. Find the ratio of their volumes?
    1. 4:3:2
    2. 2:3:4
    3. 1:2:3
    4. 3:2:1
  4. A circular wire of radius 21 cm is cut and bent in the form of a rectangle whose sides are in the rario 8:3, find the sides of the rectangle?
    1. 48,18
    2. 16,24
    3. 16,624,9
  5. Two cubes each of edge 9 cm are joined to form a cuboid. What is the surface area of the cuboid?
    1. 972
    2. 810
    3. 910
    4. 820
  6. Each of the radius and the height of  acome is increase by 20%. Thn find the % increase in the volume?
    1. 80%
    2. 40%
    3. 32.4%
    4. 72.8%
  7. The radius and height of a cylinder are incrased by 10% and 20% rpectively. Find the percent increase in its curved surface area?
    1. 35%
    2. 30%
    3. 32%
    4. none
  8. Each of the radius and the height of a right cylinder is both increased by 10%. Find the % by whch the volume increase?
    1. 32.5%
    2. 33.1%
    3. 30%
    4. 31.2%
  9. The radius of a right circular cylinder is decreaed by 20% and its height is increased by 10% what is the percentage change in is volume?
    1. 70.4% increase
    2. 70.4% decrease
    3. 29.6% increase
    4. 29.6% decrease
  10. The radius of a right circular cylinder and height both is decreased by 10% then find the percentage increase in its volume?
    1. 31.2%
    2. 28.2%
    3. 27.1%
    4. 33.7%

 

KEY:::1(b)      2(a)      3(c)      4(a)      5(b)      6(d)     7(c)      8(b)      9(c)      10(c)

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