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Find the number of term in …

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Find the number of term in the Ap 7,13,19....,205.

    • Posted by Mifta Mifta 7 years ago

    CBSE > Class 10 > Mathematics
    • 7 answers

    Nitin Kumar? 7 years ago

    Give me the answer of ascent sap

    1Thank You

    Nitin Kumar? 7 years ago

    What happen Khetramani Sahoo

    1Thank You

    Gaurav Seth 7 years ago

    A.P. 7 , 13 , 19 , ...... , 205

    a = 7

    d = 13 – 7 = 6

    An = 205

    As we know, 
    An = a + (n–1) d

    205 = 7 + (n–1) 6
    => 205 – 7 = (n–1) 6
    => 198 = (n–1) 6
    => n–1 = 198 / 6
    => n–1 = 33
    => n = 33 + 1
    => n = 34

    Thus, total no. of terms is 34.

    3Thank You

    Nitin Kumar? 7 years ago

    34

    2Thank You

    Feba ????? 7 years ago

    There are 34 terms

    1Thank You

    Puja Sahoo 7 years ago

    Hope it helps☺☺☺☺☺

    1Thank You

    Puja Sahoo 7 years ago

    Here a=7 and d=6 So an=a+(n-1)d =205=7+(n-1)6 =205=7+6n-6 =205=6n+1 =6n=204 =n=34

    2Thank You

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