Multiple Choice Questions on The sum of three numbers in an Arithmetic Progression is 45 and their product is 3000 What are the t........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The sum of three numbers in an Arithmetic Progression is 45 and their product is 3000 What are the t...........

Quantitative Aptitude ( CCS) Arithmetic progression
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    The sum of three numbers in an Arithmetic Progression is 45 and their product is 3000. What are the three numbers?

    5, 15, 25

    Incorrect Answer

    12, 15, 18

    Incorrect Answer

    10, 15, 20

    Correct Answer

    -10, -15, -20

    Incorrect Answer
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    Explanation:

    Assuming that the numbers are (a – d), a, (a + d) and their sum is 45,
    we get the middle number as 15.
    Now, the product (a – d) (a + d) = 200.
    Solving, we get d = 5.
    Therefore, the numbers are 10, 15 and 20.

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