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Latest BRO MSW Blacksmith Exam Question (Objective Questions), MCQ in English

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Question 1Single Answer
What is the unit of measurement for length in the metric system?
  1. A
    Square meter
  2. B
    Cubic meter
  3. C
    Meter
  4. D
    Liter
Question 2Single Answer
What is the unit of measurement for area in the metric system?
  1. A
    Meter
  2. B
    Cubic meter
  3. C
    Square meter
  4. D
    Liter
Question 3Single Answer
What is the unit of measurement for volume in the metric system?
  1. A
    Meter
  2. B
    Square meter
  3. C
    Cubic meter
  4. D
    Liter
Question 4Single Answer
What is the perimeter of a square with a side length of 5 cm?
  1. A
    10 cm
  2. B
    15 cm
  3. C
    20 cm
  4. D
    25 cm
Question 5Single Answer
What is the area of a rectangle with a length of 8 cm and a width of 4 cm?
  1. A
    12 sq cm
  2. B
    24 sq cm
  3. C
    32 sq cm
  4. D
    36 sq cm
Question 6Single Answer
What is the area of a triangle with a base of 6 cm and a height of 8 cm?
  1. A
    12 sq cm
  2. B
    24 sq cm
  3. C
    36 sq cm
  4. D
    48 sq cm
Question 7Single Answer
What is the formula for the area of a circle?
  1. A
    πr
  2. B
    2πr
  3. C
    πr²
  4. D
    πd
Question 8Single Answer
What is the formula for the volume of a cylinder?
  1. A
    πr²h
  2. B
    2πrh
  3. C
    πrh
  4. D
    πr³
Question 9Single Answer
What is the formula for the volume of a cone?
  1. A
    πr²h
  2. B
    (1/3)πr²h
  3. C
    2πrh
  4. D
    πr³
Question 10Single Answer
What is the formula for the volume of a sphere?
  1. A
    πr³
  2. B
    (4/3)πr³
  3. C
    πr²h
  4. D
    2πr³
Question 11Single Answer
A rectangular plate has dimensions 10 cm x 15 cm. A circular hole with a diameter of 5 cm is cut out. What is the remaining area? (Use π = 3.14)
  1. A
    110.375 sq cm
  2. B
    120.375 sq cm
  3. C
    130.375 sq cm
  4. D
    140.375 sq cm
Question 12Single Answer
What is the circumference of a circle with a radius of 7 cm?
  1. A
    22 cm
  2. B
    44 cm
  3. C
    88 cm
  4. D
    154 cm
Question 13Single Answer
What is the surface area of a cube with a side length of 3 cm?
  1. A
    9 sq cm
  2. B
    18 sq cm
  3. C
    27 sq cm
  4. D
    54 sq cm
Question 14Single Answer
What is the volume of a cube with a side length of 4 cm?
  1. A
    16 cu cm
  2. B
    32 cu cm
  3. C
    64 cu cm
  4. D
    128 cu cm
Question 15Single Answer
What is the volume of a cuboid with dimensions 5 cm x 3 cm x 2 cm?
  1. A
    10 cu cm
  2. B
    15 cu cm
  3. C
    30 cu cm
  4. D
    60 cu cm
Question 16Single Answer
What is the volume of a cylinder with a radius of 2 cm and a height of 5 cm?
  1. A
    20 cu cm
  2. B
    31.4 cu cm
  3. C
    62.8 cu cm
  4. D
    100 cu cm
Question 17Single Answer
What is the diameter of a circle if its radius is 10 cm?
  1. A
    5 cm
  2. B
    10 cm
  3. C
    20 cm
  4. D
    30 cm
Question 18Single Answer
What is the perimeter of a rectangle with sides 6 m and 9 m?
  1. A
    15 m
  2. B
    30 m
  3. C
    45 m
  4. D
    54 m
Question 19Single Answer
How do you find the perimeter of a composite figure?
  1. A
    Add all the areas
  2. B
    Multiply all the lengths
  3. C
    Add all the lengths of the outer boundary
  4. D
    Divide the area by the height
Question 20Single Answer
How do you find the area of a composite figure?
  1. A
    Add all the lengths
  2. B
    Divide the perimeter by the number of sides
  3. C
    Divide the figure into simpler shapes and add their areas
  4. D
    Multiply the length by the width
Question 21Single Answer
What is the surface area of a composite solid?
  1. A
    The sum of the volumes of its parts
  2. B
    The sum of the areas of its exposed surfaces
  3. C
    The product of its lengths
  4. D
    The sum of its perimeters
Question 22Single Answer
How do you find the volume of a composite solid?
  1. A
    Add the surface areas
  2. B
    Divide the total length by the number of parts
  3. C
    Divide the solid into simpler shapes and add their volumes
  4. D
    Multiply the length by the width
Question 23Single Answer
A rectangular garden is 12 meters long and 8 meters wide. What is its area?
  1. A
    20 sq m
  2. B
    40 sq m
  3. C
    96 sq m
  4. D
    192 sq m
Question 24Single Answer
A circular table has a diameter of 1.4 meters. What is its circumference?
  1. A
    2.2 m
  2. B
    4.4 m
  3. C
    6.6 m
  4. D
    8.8 m
Question 25Single Answer
A cylindrical tank has a radius of 3 meters and a height of 7 meters. What is its volume?
  1. A
    132 cu m
  2. B
    198 cu m
  3. C
    264 cu m
  4. D
    396 cu m
Question 26Single Answer
A room is 5 meters long, 4 meters wide, and 3 meters high. What is its volume?
  1. A
    12 cu m
  2. B
    20 cu m
  3. C
    60 cu m
  4. D
    80 cu m
Question 27Single Answer
A triangular piece of metal has a base of 10 cm and a height of 12 cm. What is its area?
  1. A
    30 sq cm
  2. B
    60 sq cm
  3. C
    120 sq cm
  4. D
    240 sq cm
Question 28Single Answer
A square sheet of metal has a side length of 8 cm. What is its perimeter?
  1. A
    16 cm
  2. B
    24 cm
  3. C
    32 cm
  4. D
    64 cm
Question 29Single Answer
If a circle has a radius of 5 cm, what is its area?
  1. A
    15.7 sq cm
  2. B
    31.4 sq cm
  3. C
    78.5 sq cm
  4. D
    157 sq cm
Question 30Single Answer
A cone has a radius of 3 cm and a height of 8 cm. What is its volume?
  1. A
    25.12 cu cm
  2. B
    50.24 cu cm
  3. C
    75.36 cu cm
  4. D
    100.48 cu cm
Question 31Single Answer
A sphere has a radius of 6 cm. What is its volume?
  1. A
    452.16 cu cm
  2. B
    904.32 cu cm
  3. C
    1356.48 cu cm
  4. D
    1808.64 cu cm
Question 32Single Answer
What is the area of a semicircle with a radius of 10 cm?
  1. A
    78.5 sq cm
  2. B
    157 sq cm
  3. C
    314 sq cm
  4. D
    628 sq cm
Question 33Single Answer
A metal sheet in the shape of a parallelogram has a base of 15 cm and a height of 10 cm. What is its area?
  1. A
    75 sq cm
  2. B
    150 sq cm
  3. C
    225 sq cm
  4. D
    300 sq cm
Question 34Single Answer
A trapezoidal metal plate has parallel sides of 12 cm and 8 cm and a height of 6 cm. What is its area?
  1. A
    30 sq cm
  2. B
    60 sq cm
  3. C
    90 sq cm
  4. D
    120 sq cm
Question 35Single Answer
A cylindrical pipe has an inner radius of 5 cm and a height of 20 cm. What is its inner volume?
  1. A
    1570 cu cm
  2. B
    3140 cu cm
  3. C
    4710 cu cm
  4. D
    6280 cu cm
Question 36Single Answer
A rectangular tank has dimensions 8 m x 5 m x 3 m. How much water can it hold in liters? (1 cu m = 1000 liters)
  1. A
    12000 liters
  2. B
    120000 liters
  3. C
    1200 liters
  4. D
    120 liters
Question 37Single Answer
A spherical tank has a diameter of 4 meters. What is its volume?
  1. A
    33.49 cu m
  2. B
    66.99 cu m
  3. C
    133.98 cu m
  4. D
    267.96 cu m
Question 38Single Answer
A cone-shaped pile of sand has a radius of 2 meters and a height of 3 meters. What is its volume?
  1. A
    6.28 cu m
  2. B
    12.56 cu m
  3. C
    18.84 cu m
  4. D
    25.12 cu m
Question 39Single Answer
If the side of a square is doubled, by what factor does its area increase?
  1. A
    2
  2. B
    4
  3. C
    8
  4. D
    16
Question 40Single Answer
If the radius of a circle is tripled, by what factor does its circumference increase?
  1. A
    3
  2. B
    6
  3. C
    9
  4. D
    27
Question 41Single Answer
If the radius of a sphere is doubled, by what factor does its volume increase?
  1. A
    2
  2. B
    4
  3. C
    8
  4. D
    16
Question 42Single Answer
A cylindrical tank has a radius of 4 meters and a height of 6 meters. What is its curved surface area?
  1. A
    150.72 sq m
  2. B
    200.96 sq m
  3. C
    251.2 sq m
  4. D
    301.44 sq m
Question 43Single Answer
A cone has a slant height of 10 cm and a radius of 6 cm. What is its curved surface area?
  1. A
    188.4 sq cm
  2. B
    200.96 sq cm
  3. C
    251.2 sq cm
  4. D
    301.44 sq cm
Question 44Single Answer
A cuboidal box has dimensions 12 cm x 8 cm x 5 cm. What is its total surface area?
  1. A
    236 sq cm
  2. B
    312 sq cm
  3. C
    472 sq cm
  4. D
    520 sq cm
Question 45Single Answer
What is the formula for the perimeter of a rectangle?
  1. A
    l × w
  2. B
    2(l + w)
  3. C
    l²
  4. D
    πr²
Question 46Single Answer
What is the formula for the circumference of a circle?
  1. A
    πr²
  2. B
    πd
  3. C
    r²
  4. D
    2πr²
Question 47Single Answer
What is the formula for the surface area of a cube?
  1. A
    a³
  2. B
    6a²
  3. C
    4πr²
  4. D
    2πrh
Question 48Single Answer
What is the formula for the volume of a cylinder?
  1. A
    πr²h
  2. B
    2πrh
  3. C
    4πr³
  4. D
    (1/3)πr²h
Question 49Single Answer
What is the formula for the volume of a cone?
  1. A
    πr²h
  2. B
    2πrh
  3. C
    4πr³
  4. D
    (1/3)πr²h
Question 50Single Answer
What is the formula for the volume of a sphere?
  1. A
    4πr²
  2. B
    (4/3)πr³
  3. C
    πr²h
  4. D
    2πrh
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