CAT Quant Practice Problems

Question: Three classes X, Y and Z take an algebra test.

The average score in class X is 83.

The average score in class Y is 76.

The average score in class Z is 85.

The average score of all students in classes X and Y together is 79. The average score of all students in classes Y and Z together is 81.

What is the average for all the three classes?


  1. 81
  2. 81.5
  3. 82
  4. 84.5

Correct Option:2

CAT 2019 Online Course


CAT Quant Questions with Video Solutions


CAT Quant Practice Problems
4.5 (89.41%) 17 vote[s]