Average Math Practice Test Question Answers: Set 1
Average Math Practice Test Question Answers: This kind of problem-solving math test helps various exam prep. You can download free printable and editable PDF and Doc files for worksheet purposes.
Average Math Practice Test Question Answers: Set 1
1. Robert obtained 74, 65, 87, 55 and 90marks (out of 100) in Living Environment, Earth Science, Chemistry, Global History, and Geography. What are his average marks ?
๐ 71.5
๐ 69.60
๐ 81.68
๐ 83.54
๐ NOTA
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Answers: E None of the above
2. A grocer has a sale of $ 6435 , $ 6927 , $ 6855 , $ 7230 and $ 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of $ 6500 ?
๐ $3568
๐ $3987
๐ $4991
๐ $5611
๐ $6147
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Answers: C $4991
3. William buys diesel at $7.50 , $8 and $8.50 per litre for three successive years. What approximately is the average cost per litre of diesel if he spends $4000 each year?
๐ $6.58
๐ $7.14
๐ $7.98
๐ $8.12
๐ $8.41
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Answers: C $7.98
4. A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family in years?
๐ 25.31
๐ 29.65
๐30.27
๐ 31.71
๐ 34.52
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Answers: D 31.71
5. There are two groups “Full House” and “Duck Duck Goose” of a class, consisting of 36 and 44 students respectively. If the average weight of he group “Full House” is 40 kg and that of he group “Duck Duck Goose” is 35 kg, what is the average weight of the whole class?
๐ 35.25
๐ 36.25
๐ 35.50
๐ 36.50
๐ 37.25
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Answers: E 37.25
6. The average age of boys in a class is 16.5 years and that of the girls is 15.5 years. What is the average age of the whole class?
๐ 15
๐ 16
๐ 15.9
๐ Insufficient data
๐ NOTA
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Answers: D. Insufficient data (number of boys and girls are missing)
7. Average of six numbers is x and average of three of these is y . If the average of remaining three is z , then
๐ x=2y+2z
๐ 2x=y+z
๐ x=y+z
๐ x=(y+z)2
๐ NOTA
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Answers: B. 2x=y+z
8. The average monthly income of Lucas and Elijah is $5050. The average monthly income of Elijah and Benjamin is $6250 and the average monthly income of Lucas and Benjamin is $5200. What is the monthly income of Lucas?
๐ $1000
๐ $2000
๐$3000
๐$4000
๐ $6000
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Answers: D. $4000
9. A student’s mark was wrongly entered as 66 instead of 88. Due to that the average mark of the class got increased by 1/2 . What is the number of students in the class?
๐ 40
๐ 50
๐60
๐70
๐80
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Answers: A. 40
10. 15. The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What is the weight of the new person?
๐ 55 kg
๐65 kg
๐75 kg
๐85 kg
๐NOTA
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Answers: D. 85
Download Avarage Math Practice Test (SET 1): Worksheet