CAT Quant Practice Problems

Question: There were a hundred schools in a town. Of these, the number of schools having a play – ground was 30, and these schools had neither a library nor a laboratory. The number of schools having a laboratory alone was twice the number of those having a library only. The number of schools having a laboratory as well as a library was one fourth the number of those having a laboratory alone. The number of schools having either a laboratory or a library or both was 35.

What was the ratio of schools having laboratory to those having library?


  1. 0.043055556
  2. 0.210416667
  3. 0.084027778
  4. 0.085416667

Correct Option:2

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