AP-ICET EXAM 2021|Mathematical Ability-AVERAGES

AVERAGES

1. The average of twelve positive numbers is 15. If the average of the first four numbers is 9 and that of the last four numbers is 26.what is the average of the remaining four numbers?

1) 12

2) 15

3) 20

4) 25

5) 10

2. If the average of 4 consecutive even numbers is 55.then what is the largest number among these four numbers?

1) 68

2) 62

3) 60

4) 58

5) 56

 

3. The average age of a class comprising 19 students, is 16 years. If the age of the teacher is added the average age of the class increases by 2 years. What is the age of the teacher?

1) 56

2) 54

3) 58

4) 52

5) 60

 

4. The average weight of 36 children in a group was 55 Kg. Six children of average weight 53 Kg. left the group. What was the new average weight of the group?

 

 1) 54.9 kg

2) 55.8 kg

3) 55.4 kg

4) 56.4 kg

5) 54.4 kg

 

5. Set-A contains 6 consecutive odd numbers and their average is 38 Set-B contains 6 consecutive even numbers and the lowest number of Set-B is 27 more than the highest number of Set-A. What is the average of the numbers in Set-B?

1) 73

2) 75

3) 69

 4) 81

5) 79

 6. The average weight of boys in a class is 52 kg and that of girls is 37 kg. If the average weight of all the students of the class is 46 kg and the number of boys is 6 more than the number of girls, what is the total number of students in the class?

1) 40

 2) 30

3) 25

4) 75

5) 50

 

7. Average of twelve observations is 30. Out of those twelve observations, average of first ten of them was 28. If the ratio between the remaining two observations is 7:9, what is the value of larger of the two observations?

 1) 54

2) 36

3) 90

4) 45

5) 27

8. The average weight of 26 students of a class was 41.5 kg. After 10 new students joined the class, its average weight increased by 2 kg. What is the average weight of 10 new students who joined the class?

 1) 48.7 kg

2) 47.6 kg

3) 47.9 kg

4) 48.3 kg

 5) 49.3 kg

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