PYQ Vault

Day 139: CDS Maths

5 questions (6 parts). Try each one first, then open its answer.

  1. Question 1

    Mensuration 2D. Asked once: CDS 2 2019 (same type asked 2 times) See all 2 of this type

    79
    A rectangular red carpet of size 6 ft ×\times 12 ft has a dark red border 6 inches wide. What is the area of the dark red border ?

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  2. Question 2

    Mensuration 3D. Asked once: CDS 1 2019 (same type asked 2 times) See all 2 of this type

    41
    The areas of three adjacent faces of a cuboid are xx, yy and zz. If VV is the volume of the cuboid, then which one of the following is correct ?

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  3. Question 3 (case study, 2 parts)

    Mensuration 3D. Asked once: CDS 2 2019 (same type asked 2 times) See all 2 of this type

    Consider the following for the next two (02) items : The sum of length, breadth and height of a cuboid is 22 cm and the length of its diagonal is 14 cm.
    99
    What is the surface area of the cuboid ?

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    100
    If S is the sum of the cubes of the dimensions of the cuboid and V is its volume, then what is (S−3V)(S - 3V) equal to ?

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  4. Question 4

    Number System. Asked once: CDS 2 2018 (same type asked 2 times) See all 2 of this type

    4
    How many five-digit numbers of the form XXYXX is/are divisible by 33 ?

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  5. Question 5

    Number System. Asked once: CDS 2 2021 (same type asked 2 times) See all 2 of this type

    1
    What are distinct prime factors of the number 26381 ?

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