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Find a, b and c such that the following ...

Find a, b and c such that the following numbers are in AP, a, 7, b, 23 and c.

Text Solution

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The correct Answer is:
a = -1, b = 15 and c = 31
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Find a, b and c such that the numbers a,1 ,b, 15, c are in AP.

Find a,b and c if it is given that the numbers a,7,b,23,c are in A.P

Knowledge Check

  • If a, b, c are three unequal numbers such that a, b, c are in A.P. and b - a, c - b, a are in G.P., then a : b : c is

    A
    `1 : 2 : 3`
    B
    `1 : 3 : 5`
    C
    `2 : 3 : 4`
    D
    `1 : 2 : 4`

  • If a^2, b^2, c^2 are in AP, then which of the following is also in AP ?

    A
    sinA, sinB, sinC
    B
    tanA, tanB, tanC
    C
    cotA, cotB, cotC
    D
    None of the above

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