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Mathematics

7th -

10thgrade

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Ch 8: Comparing Quantities

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51 questions

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  • 1. Multiple Choice
    3 minutes
    1 pt

    Suppose for the principal P, rate R% and time T, the simple interest is S and compound interest is C. Consider the possibilities.

    (i) C > S

    (ii) C = S

    (iii) C < S

    Then,

    only (i) is correct

    either (i) or (ii) is correct

    either (ii) or (iii) is correct

    only (iii) is correct

  • 2. Multiple Choice
    5 minutes
    1 pt

    Suppose a certain sum doubles in 2 yr at r% rate of simple interest per annum and R% rate of interest per annum compounded annually. Then,

    r < R

    R < r

    R = r

    Cannot be determined

  • 3. Multiple Choice
    3 minutes
    1 pt

    The compound interest on ₹50000 at 4% annum for 2 yr compounded annually is

    ₹4000

    ₹4080

    ₹4280

    ₹4050

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