SSAT Math Practice Test 53: Averages

1. The average of 3 numbers is 18. What is 2 times the sum of the 3 numbers?

• A. 108
• B. 54
• C. 36
• D. 18
• E. 6

2. If Set M contains 4 positive integers whose average is 7, then what is the largest number that Set M could contain?

• A. 6
• B. 7
• C. 18
• D. 25
• E. 28

3. An art club of 4 boys and 5 girls makes craft projects. If the boys average 2 projects each and the girls average 3 projects each, what is the total number of projects produced by the club?

• A. 14
• B. 23
• C. 26
• D. 54
• E. 100

4. If a class of 6 students has an average grade of 72 before a seventh student joins the class, then what must the seventh student's grade be to raise the class average to 76 ?

• A. 100
• B. 92
• C. 88
• D. 80
• E. 76

5. Catherine scores an 84, 85, and 88 on her first three exams. What must she score on her fourth exam to raise her average to an 89 ?

• A. 99
• B. 97
• C. 93
• D. 91
• E. 89