CAT Quant Practice Problems

Question: Let a, b, c, d and e be integers such that a = 6b = 12c, and 2b = 9d = 12e. Then which of the following pairs contains a number that is not an integer?
  1. \(\left( {\frac{a}{{27}},\frac{b}{e}} \right)\)
  2. \(\left( {\frac{a}{{36}},\frac{c}{e}} \right)\)
  3. \(\left( {\frac{a}{{12}},\frac{{bd}}{{18}}} \right)\)
  4. \(\left( {\frac{a}{6},\frac{c}{d}} \right)\)

Correct Option:4

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