Averages and Mixtures: Worksheet 10 - Expert Practice
Averages and MixturesEXPERT
Ready to master Averages and Mixtures? This accuracy focus 👑 worksheet (10/10) presents 20 expert-level challenges. Focus area: application-based learning. Learn to solve averages and mixtures reasoning tricks, handle fast averages and mixtures solving, and perfect averages and mixtures mastery with our step-by-step solutions.
Understand the logic behind fast averages and mixtures solving
Learn step-by-step approaches to application-based learning
Achieve mastery with the most difficult problem types
Perfect your speed and accuracy under time pressure
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Your progress through Averages and Mixtures
Worksheet 10 of 10 (100% complete)
Question 1
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 2
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 3
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 4
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 5
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 6
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 7
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 8
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 9
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 10
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 11
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 12
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 13
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 14
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 15
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 16
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 17
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
Question 18
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 19
Question: What is the average of 5 numbers?
Statement (1): Sum of the 5 numbers is 250.
Statement (2): The numbers are in arithmetic progression with first term 40.
Average = Sum/Count = 250/5 = 50. Statement (1) alone gives answer. Statement (2) alone cannot determine sum without more info.
Question 20
Question: What is the average weight of the class?
Statement (1): Average weight of 20 boys is 60 kg.
Statement (2): Average weight of 15 girls is 50 kg.
Combined average = (20×60 + 15×50)/(20+15) = (1200 + 750)/35 = 1950/35 ≈ 55.71 kg.
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