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Day 124: CDS Maths

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

  1. Question 1

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

    77
    The lateral surface area of a cone is 462 cm2^2. Its slant height is 35 cm. The radius of the base of the cone is

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  2. Question 2

    Number System. Asked once: CDS 1 2020 (same type asked 3 times) See all 3 of this type

    8
    If mm is the number of prime numbers between 0 and 50; and nn is the number of prime numbers between 50 and 100, then what is (m−n)(m - n) equal to ?

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  3. Question 3

    Percentage, Profit and Loss. Asked once: CDS 1 2020 (same type asked 3 times) See all 3 of this type

    46
    If the annual income of XX is 20% more than that of YY, then the income of YY is less than that of XX by pp%. What is the value of pp?

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  4. Question 4

    Quadrilaterals. Asked once: CDS 2 2020 (same type asked 3 times) See all 3 of this type

    65
    Consider the following statements : 1. The diagonals of a trapezium divide each other proportionally. 2. Any line drawn parallel to the parallel sides of a trapezium divides the non-parallel sides proportionally. Which of the above statements is/are correct ?

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  5. Question 5

    Simple and Compound Interest. Asked once: CDS 1 2018 (same type asked 3 times) See all 3 of this type

    35
    The annual income of a person decreases by Rs. 64 if the annual rate of interest decreases from 4% to 3.75%. What is his original annual income?

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