This practice GMAT test includes only gmat average problems, which are part of the GMAT problem solving 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?
A. 3 cms
B. 10.5 cms
C. 15 cms
D. 2.62 cms
E. 4.5 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?
A. 35 years
B. 37 years
C. 32 years
D. 40 years
E. 38 years
The average temperature of all 7 days of the week is 30, that of the first 3 days is 28 and of the next 3 days is 31. What is the temperature on the last day of the week?
A. 31
B. 30
C. 28
D. 33
E. 29
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?
A. 22, 20, 18
B. 22, 18, 20
C. 18, 20, 22
D. 18, 22, 20
E. 22, 19, 20
The average of 7 members is 39 and average of 3 of them is 27. Find the average of the other four.
A. 45
B. 48
C. 49
D. 47
E. 46
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