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Day 129: CDS Maths

5 questions. Try each one first, then open its answer.

  1. Question 1

    Mensuration 2D. Asked once: CDS 2 2022 (same type asked 2 times) See all 2 of this type

    89
    A square and a rectangle have same perimeter. They differ in areas by 1 square cm. The length of the rectangle exceeds its breadth by

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  2. Question 2

    Mensuration 3D. Asked once: CDS 2 2025 (same type asked 2 times) See all 2 of this type

    64
    The length, breadth and height of a cuboid are consecutive integers. If the volume of the cuboid is 336 cubic units, then what is the total surface area of the cuboid?

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  3. Question 3

    Mensuration 3D. Asked once: CDS 2 2018 (same type asked 2 times) See all 2 of this type

    81
    If the diagonal of a cube is of length ll, then the total surface area of the cube is

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  4. Question 4

    Quadrilaterals. Asked once: CDS 2 2022 (same type asked 2 times) See all 2 of this type

    99
    ABCD is a cyclic quadrilateral. AB and DC when produced, meet in E. Which of the following statements is/are correct ? 1. △EBC\triangle EBC is similar to △EAD\triangle EAD. 2. ∠CBE+∠DAE=180∘\angle CBE + \angle DAE = 180^\circ. Select the correct answer using the code given below :

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  5. Question 5

    Ratio, Proportion and Variation. Asked once: CDS 1 2026 (same type asked 2 times) See all 2 of this type

    20
    The ratio of the present age of X to that of Y is 4 : 5. k (less than 10) years ago, this ratio was 1 : 2. How many values of k are possible if the ages are expressed in complete years ?

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