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If a 679b is a five digit number that is...

If a 679b is a five digit number that is divisible by 72, then a+b is equal to

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C
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Knowledge Check

  • The greatest four digit number that is divisible by 95 is ..........

    A
    9995
    B
    9975
    C
    9985
    D
    9950

  • If a five-digit number divisible by 3 is to be formed using the number 0, 1, 2, 3, 4 and 5 without repetitioins, then the total number of ways this can done is

    A
    216
    B
    600
    C
    240
    D
    3125

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    Seven digits from the numbers 1 to 9 are written in random order. If the probability that this seven digit number divisible by 9 is p, then the value of 18p is

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