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If the 4th term of an arithmetic progres...

If the 4th term of an arithmetic progression is 14 and the 12th term is 70, then the first term is

A

`-10`

B

`-7`

C

`+7`

D

`+10`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • If the sum of the first 100 terms of an arithmetic progression is -1 and the sum of the even terms is 1, then the 100^("th") term of the arithmetic progression is

    A
    `(47)/(25)`
    B
    `(149)/(50)`
    C
    `(74)/(25)`
    D
    `-(149)/(50)`

  • Find the 15th term of the arithmetic progression 10, 4, -2, ….

    A
    `-721=`
    B
    `-74`
    C
    `-76`
    D
    `-78`

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