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The number 311311311311311311311 is (a...

The number 311311311311311311311 is
`(a)`neither divisible by 3 nor by 11
`(b)`divisible by 11 but not by 3
`(c)` divisible by 3 but not by 11
`(d)` divisible by both 3 and 11

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Knowledge Check

  • Which number is divisible by both 9 and 11?

    A
    a)10098
    B
    b)10108
    C
    c)10089
    D
    d)10087

  • (10^n-1) is divisible by 11.

    A
    for all values of n
    B
    for even values of n
    C
    for odd values of n
    D
    for those n which are multiple of 11

  • How many natural numbers below 660 are divisible by 5 and 11 but not by 3?

    A
    a)8
    B
    b)9
    C
    c)10
    D
    d)11

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