Multiple Choice Questions on a b c and d are in A P What can we say about terms bcd acd abd and abc ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

a b c and d are in A P What can we say about terms bcd acd abd and abc ........

Quantitative Aptitude ( CCS) Arithmetic progression
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    a, b, c and d are in A.P., What can we say about terms bcd, acd, abd and abc?

    They are also in A.P.

    Incorrect Answer

    They are also in H.P.

    Correct Answer

    They are also in G.P.

    Incorrect Answer

    They are not in an A.P., G.P. or H.P.

    Incorrect Answer
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    Explanation:

    a, b, c and d are in A.P.
    Dividing through out this A.P. by abcd, we get
    a/abcd , b/abcd , c/abcd , d/abcd are in A.P.
    1/bcd , 1/acd , 1/abd , 1/abc are in A.P.
    => bcd, acd, abd and abc are in H.P.

    By: Amit Kumar
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