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Let a, b, c, d and e be integers such th...

Let a, b, c, d and e be integers such that `a=6b=12c,and2b=9d=12e`. Then which of the following pairs contains a number that is not an integer?

A

`(a/27 ,b/e)`

B

`(a/36 , c/e)`

C

`(a/12 ,(bd)/18)`

D

`(a/6 ,c/d)`

Text Solution

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The correct Answer is:
D
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  • Let a, b, c be positive integers such that (asqrt2+b)/(bsqrt2+c) is a rational number, then which of the following is always an integer?

    A
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  • Let a , b , c , d are positive integer such that log_(a)b=3//2 and log_(c)d=5//4 . If a-c=9 , then value of (b-d) is equal to

    A
    `20`
    B
    `93`
    C
    `10`
    D
    `1`

  • If a, b, c, d, e are prime integers, then the number of divisors of ab^2c^2de excluding 1 as a factor is

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    B
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    D
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