This CAT practice test consists of questions on averages which are part of the CAT Quantitative section.
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It rained as much as on Wednesday as on all the other days of the week combined. If the average rainfall for the whole week was 3 cms; how much did it rain on Wednesday?
3 cms
10.5 cms
15 cms
2.625 cms
The average age of a husband, his wife and son 3 years ago was 27 years and that of his wife and son 5 years ago was 20 years. What is the husband’s present age?
35 years
37 years
32 years
40 years
The average temperature of all 7 days of the week is 300, that of the first 3 days is 280 and of the next 3 days is 310. What is the temperature on the last day of the week?
31
30
28
33
The average age of A and B is 20 years. If C replace A the average would be 19 and if C replaces B the average would be 21. What are the ages of A, B and C?
22, 20, 18
22, 18, 20
18, 20, 22
18, 22, 20
The average of 7 members is 39 and average of 3 of them is 27. Find the average of the other four.
45
48
49
47
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