Mensuration English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021

9th Standard

    Reg.No. :
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Maths

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. The semi-perimeter of a triangle having sides 15 cm, 20 cm and 25 cm is _______.

    (a)

    60 cm

    (b)

    45 cm

    (c)

    30 cm

    (d)

    15 cm

  2. The perimeter of an equilateral triangle is 30 cm. The area is _______.

    (a)

    \(10\sqrt { 3 } \) cm2

    (b)

    \(12\sqrt { 3 } \) cm2

    (c)

    \(15\sqrt { 3 } \) cm2

    (d)

    \(25\sqrt { 3 } \) cm 2

  3. The total surface area of a cuboid is ______________

    (a)

    4a2 sq. units

    (b)

    6a2 sq. units

    (c)

    2(l + b)h sq. units

    (d)

    2(lb + bh + lh) sq. units

  4. The lateral surface area of a cube of side 12 cm is _______.

    (a)

    144 cm2

    (b)

    196 cm2

    (c)

    576 cm2

    (d)

    664 cm2

  5. If the lateral surface area of a cube is 600 cm2, then the total surface area is _______.

    (a)

    150 cm2

    (b)

    400 cm2

    (c)

    900 cm2

    (d)

    1350 cm2

  6. The total surface area of a cuboid with dimension 10 cm × 6 cm × 5 cm is _______.

    (a)

    280 cm2

    (b)

    300 cm2

    (c)

    360 cm2

    (d)

    600 cm2

  7. If the ratio of the sides of two cubes are 2:3, then ratio of their surface areas will be _______.

    (a)

    4 : 6

    (b)

    4 : 9

    (c)

    6 : 9

    (d)

    16 : 36

  8. The volume of a cuboid is 660 cm3 and the area of the base is 33 cm2. Its height is _______.

    (a)

    10 cm

    (b)

    12 cm

    (c)

    20 cm

    (d)

    22 cm

  9. The capacity of a water tank of dimensions 10 m × 5 m × 1.5 m is _______.

    (a)

    75 litres

    (b)

    750 litres

    (c)

    7500 litres

    (d)

    75000 litres

  10. The number of bricks each measuring 50 cm × 30 cm × 20 cm that will be required to build a wall whose dimensions are 5 m × 3 m × 2 m is _______.

    (a)

    1000

    (b)

    2000

    (c)

    3000

    (d)

    5000

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