Maths-
General
Easy

Question

The figure alongside shows the cross-section of a concrete wall to be constructed. It is 3m wide at the top, 5.5 m wide at the bottom and its height is 10 m and its length is 500m.Calculate
(i) the cross-sectional area

  1. 40.5
  2. 41.5
  3. 42.5
  4. 43.5

The correct answer is: 41.5


     

    Related Questions to study

    General
    Maths-

    A teak wood log first cut in the form of a cuboid of length 2.3 m, width 0.75 m and of certain thickness. Its volume is of 1.004m^3. How many rectangular planks of size 2.3m x 0.75m x 0.04m can be cut from the cuboid

    A teak wood log first cut in the form of a cuboid of length 2.3 m, width 0.75 m and of certain thickness. Its volume is of 1.004m^3. How many rectangular planks of size 2.3m x 0.75m x 0.04m can be cut from the cuboid

    Maths-General
    General
    Maths-

    The cross-section of a swimming pool is a trapezium ABCD. AB=12m CD= 13 m DA= 5 m and the length of the pool is 60 m. Find the volume of water it holds?

    The cross-section of a swimming pool is a trapezium ABCD. AB=12m CD= 13 m DA= 5 m and the length of the pool is 60 m. Find the volume of water it holds?

    Maths-General
    General
    Maths-

    A metal cube with a 6 cm edge is melted and cast into a cuboid whose base is 3.60x 0.60 cm2 .Calculate the height of the cuboid. Also, find the total surface area of the cuboid and cube respectively

    A metal cube with a 6 cm edge is melted and cast into a cuboid whose base is 3.60x 0.60 cm2 .Calculate the height of the cuboid. Also, find the total surface area of the cuboid and cube respectively

    Maths-General
    parallel
    General
    Maths-

    Determine if the given conjecture is true or not. Give a counterexample if it is false.
    Given: ∠𝑃 𝑎𝑛𝑑 ∠𝑄 are complementary. ∠𝑄 𝑎𝑛𝑑 ∠𝑅 are complementary.
    Conjecture: ∠𝑃 ≅ ∠𝑅

    Determine if the given conjecture is true or not. Give a counterexample if it is false.
    Given: ∠𝑃 𝑎𝑛𝑑 ∠𝑄 are complementary. ∠𝑄 𝑎𝑛𝑑 ∠𝑅 are complementary.
    Conjecture: ∠𝑃 ≅ ∠𝑅

    Maths-General
    General
    Maths-

    A plate of 3 cm thick, 9 cm broad, and 27 m long is melted into a cube. find the difference in surface area of the two solids correct to the nearest whole number.

    A plate of 3 cm thick, 9 cm broad, and 27 m long is melted into a cube. find the difference in surface area of the two solids correct to the nearest whole number.

    Maths-General
    General
    Maths-

    Which number is next in the sequence?
    35, 85, 135, 185, __

    Which number is next in the sequence?
    35, 85, 135, 185, __

    Maths-General
    parallel
    General
    General

    A cuboidal water tank is 6m long , 5m wide and 4.5 m deep.
    How many litres of water can it hold ?

    A cuboidal water tank is 6m long , 5m wide and 4.5 m deep.
    How many litres of water can it hold ?

    GeneralGeneral
    General
    Maths-

    Show the conjecture is false by finding a counterexample.
    Two supplementary angles form a linear pair.

    Show the conjecture is false by finding a counterexample.
    Two supplementary angles form a linear pair.

    Maths-General
    General
    Maths-

    Show the conjecture is false by finding a counterexample.
    Two adjacent angles always form a linear pair

    Show the conjecture is false by finding a counterexample.
    Two adjacent angles always form a linear pair

    Maths-General
    parallel
    General
    Maths-

    A cubical tank 50 cm in length and 36 cm in breadth contain water. A cube of x cm edge is dropped into it and fully immersed. If the rise in water level is 15 cm, solve for x. and hence find the T.S.A of the cubical tank

    A cubical tank 50 cm in length and 36 cm in breadth contain water. A cube of x cm edge is dropped into it and fully immersed. If the rise in water level is 15 cm, solve for x. and hence find the T.S.A of the cubical tank

    Maths-General
    General
    Maths-

    Show the conjecture is false by finding a counterexample.
    If the product of two numbers is even, then the two numbers must be even.

    Show the conjecture is false by finding a counterexample.
    If the product of two numbers is even, then the two numbers must be even.

    Maths-General
    General
    Maths-

    Show the conjecture is false by finding a counterexample.
    If a + b = 0, then a = b = 0.

    Show the conjecture is false by finding a counterexample.
    If a + b = 0, then a = b = 0.

    Maths-General
    parallel
    General
    Maths-

    calculate the surface area of a cube and volume of a cube with the given diagonal length of 15square root of 3cm

    calculate the surface area of a cube and volume of a cube with the given diagonal length of 15square root of 3cm

    Maths-General
    General
    Maths-

    Show the conjecture is false by finding a counterexample.
    If the product of two numbers is positive, then the two numbers must both be positive.

    Show the conjecture is false by finding a counterexample.
    If the product of two numbers is positive, then the two numbers must both be positive.

    Maths-General
    General
    Maths-

    Show the conjecture is false by finding a counterexample.
    The square root of any positive integer x is always less than x.

    Show the conjecture is false by finding a counterexample.
    The square root of any positive integer x is always less than x.

    Maths-General
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.