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Averages and Ages Online MCQs with Answers
The average age of a group of 10 friends is 25 years. If a new person joins the group and the average age becomes 26 years, what is the age of the new person?
a) 26 years
b) 25 years
c) 35 years
d) 30 years
The average age of a family of four members is 30 years. If the average age of the parents is 40 years, what is the average age of the two children?
a) 10 years
b) 20 years
c) 30 years
d) 40 years
The average age of a group of 20 students is 15 years. If the age of the teacher is included, the average age becomes 16 years. What is the age of the teacher?
a) 16 years
b) 15 years
c) 20 years
d) 30 years
The average age of a group of 15 friends is 24 years. If the age of one friend is incorrectly recorded as 30 years instead of 20 years, what is the correct average age?
a) 23 years
b) 24 years
c) 25 years
d) 26 years
The average age of three friends A, B, and C is 30 years. If the average age of A and B is 35 years and the average age of B and C is 40 years, what is the age of B?
a) 30 years
b) 35 years
c) 40 years
d) 45 years
The average age of a group of 25 people is 32 years. If the age of the oldest person is 50 years, what is the average age of the remaining people?
a) 29 years
b) 30 years
c) 31 years
d) 32 years
The average age of a group of 40 students is 20 years. If the age of the teacher is included, the average age becomes 21 years. What is the age of the teacher?
a) 20 years
b) 21 years
c) 40 years
d) 41 years
The average age of a group of 8 friends is 24 years. If the age of one friend is incorrectly recorded as 28 years instead of 20 years, what is the correct average age?
a) 22 years
b) 23 years
c) 24 years
d) 25 years
The average age of a group of 15 students is 18 years. If the age of the teacher is included, the average age becomes 20 years. What is the age of the teacher?
a) 25 years
b) 30 years
c) 35 years
d) 40 years
The average age of three brothers is 30 years. If the age of the youngest brother is 20 years, and the age of the eldest brother is 40 years, what is the age of the middle brother?
a) 20 years
b) 25 years
c) 30 years
d) 35 years
The average age of a group of 25 friends is 28 years. If the age of one friend is removed from the group, the average age becomes 27 years. What was the age of the friend who left?
a) 27 years
b) 28 years
c) 29 years
d) 30 years
The average age of a group of 12 friends is 28 years. If the age of one friend is incorrectly recorded as 32 years instead of 22 years, what is the correct average age?
a) 25 years
b) 26 years
c) 27 years
d) 28 years
The average age of a group of 20 students is 22 years. If the age of the teacher is included, the average age becomes 23 years. What is the age of the teacher?
a) 23 years
b) 24 years
c) 25 years
d) 26 years
The average age of three sisters is 25 years. If the age of the youngest sister is 15 years, and the age of the eldest sister is 35 years, what is the age of the middle sister?
a) 20 years
b) 25 years
c) 30 years
d) 40 years
The average age of a group of 30 friends is 35 years. If the age of one friend is added to the group and the average age becomes 36 years, what is the age of the new friend?
a) 36 years
b) 37 years
c) 38 years
d) 39 years
The average age of a group of 15 friends is 28 years. If the age of one friend is incorrectly recorded as 30 years instead of 25 years, what is the correct average age?
a) 26 years
b) 27 years
c) 28 years
d) 29 years
The average age of a group of 25 students is 20 years. If the age of the teacher is included, the average age becomes 21 years. What is the age of the teacher?
a) 20 years
b) 21 years
c) 22 years
d) 23 years
The average age of three siblings is 25 years. If the age of the youngest sibling is 15 years, and the age of the oldest sibling is 35 years, what is the age of the middle sibling?
a) 20 years
b) 25 years
c) 30 years
d) 40 years
The average age of a group of 30 friends is 35 years. If the age of one friend is added to the group and the average age becomes 36 years, what is the age of the new friend?
a) 35 years
b) 36 years
c) 37 years
d) 38 years
The average age of a group of 20 friends is 30 years. If the age of one friend is incorrectly recorded as 35 years instead of 25 years, what is the correct average age?
a) 28 years
b) 29 years
c) 30 years
d) 31 years
The average age of a group of 15 students is 18 years. If the age of the teacher is included, the average age becomes 20 years. What is the age of the teacher?
a) 25 years
b) 30 years
c) 35 years
d) 40 years
The average age of three siblings is 25 years. If the age of the youngest sibling is 15 years, and the age of the oldest sibling is 35 years, what is the age of the middle sibling?
a) 20 years
b) 25 years
c) 30 years
d) 40 years
The average age of a group of 30 friends is 35 years. If the age of one friend is added to the group and the average age becomes 36 years, what is the age of the new friend?
a) 34 years
b) 35 years
c) 36 years
d) 37 years
The average age of a group of 10 friends is 25 years. If a new person joins the group and the average age becomes 26 years, what is the age of the new person?
a) 25 years
b) 26 years
c) 35 years
d) 30 years
The average age of a family of four members is 30 years. If the average age of the parents is 40 years, what is the average age of the two children?
a) 10 years
b) 20 years
c) 30 years
d) 40 years
The average age of a group of 20 students is 15 years. If the age of the teacher is included, the average age becomes 16 years. What is the age of the teacher?
a) 16 years
b) 15 years
c) 20 years
d) 30 years
The average age of a group of 15 friends is 24 years. If the age of one friend is incorrectly recorded as 30 years instead of 20 years, what is the correct average age?
a) 23 years
b) 24 years
c) 25 years
d) 26 years
The average age of a group of 15 friends is 28 years. If the age of one friend is incorrectly recorded as 32 years instead of 22 years, what is the correct average age?
a) 25 years
b) 26 years
c) 27 years
d) 28 years
The average age of a group of 25 students is 20 years. If the age of the teacher is included, the average age becomes 21 years. What is the age of the teacher?
a) 20 years
b) 21 years
c) 22 years
d) 23 years
The average age of three siblings is 25 years. If the age of the youngest sibling is 15 years, and the age of the oldest sibling is 35 years, what is the age of the middle sibling?
a) 20 years
b) 25 years
c) 30 years
d) 40 years
The average age of a group of 30 friends is 35 years. If the age of one friend is added to the group and the average age becomes 36 years, what is the age of the new friend?
a) 35 years
b) 36 years
c) 37 years
d) 38 years
The average age of a group of 20 friends is 30 years. If the age of one friend is incorrectly recorded as 35 years instead of 25 years, what is the correct average age?
a) 28 years
b) 29 years
c) 30 years
d) 31 years
The average age of a group of 15 students is 18 years. If the age of the teacher is included, the average age becomes 20 years. What is the age of the teacher?
a) 25 years
b) 30 years
c) 35 years
d) 40 years
The average age of three siblings is 25 years. If the age of the youngest sibling is 15 years, and the age of the oldest sibling is 35 years, what is the age of the middle sibling?
a) 20 years
b) 25 years
c) 30 years
d) 40 years
The average age of a group of 30 friends is 35 years. If the age of one friend is added to the group and the average age becomes 36 years, what is the age of the new friend?
a) 34 years
b) 35 years
c) 36 years
d) 37 years
The average age of a group of 10 friends is 25 years. If a new person joins the group and the average age becomes 26 years, what is the age of the new person?
a) 25 years
b) 26 years
c) 35 years
d) 30 years
The average age of a family of four members is 30 years. If the average age of the parents is 40 years, what is the average age of the two children?
a) 10 years
b) 20 years
c) 30 years
d) 40 years
The average age of a group of 20 students is 15 years. If the age of the teacher is included, the average age becomes 16 years. What is the age of the teacher?
a) 16 years
b) 15 years
c) 20 years
d) 30 years
The average age of a group of 15 friends is 24 years. If the age of one friend is incorrectly recorded as 30 years instead of 20 years, what is the correct average age?
a) 23 years
b) 24 years
c) 25 years
d) 26 years
The average age of a group of 15 friends is 28 years. If the age of one friend is incorrectly recorded as 32 years instead of 22 years, what is the correct average age?
a) 25 years
b) 26 years
c) 27 years
d) 28 years
The average age of a group of 25 students is 20 years. If the age of the teacher is included, the average age becomes 21 years. What is the age of the teacher?
a) 20 years
b) 21 years
c) 22 years
d) 23 years
The average age of three siblings is 25 years. If the age of the youngest sibling is 15 years, and the age of the oldest sibling is 35 years, what is the age of the middle sibling?
a) 20 years
b) 25 years
c) 30 years
d) 40 years
The average age of a group of 30 friends is 35 years. If the age of one friend is added to the group and the average age becomes 36 years, what is the age of the new friend?
a) 35 years
b) 36 years
c) 37 years
d) 38 years
The average age of a group of 20 friends is 30 years. If the age of one friend is incorrectly recorded as 35 years instead of 25 years, what is the correct average age?
a) 28 years
b) 29 years
c) 30 years
d) 31 years
The average age of a group of 15 students is 18 years. If the age of the teacher is included, the average age becomes 20 years. What is the age of the teacher?
a) 25 years
b) 30 years
c) 35 years
d) 40 years
The average age of three siblings is 25 years. If the age of the youngest sibling is 15 years, and the age of the oldest sibling is 35 years, what is the age of the middle sibling?
a) 20 years
b) 25 years
c) 30 years
d) 40 years
The average age of a group of 30 friends is 35 years. If the age of one friend is added to the group and the average age becomes 36 years, what is the age of the new friend?
a) 34 years
b) 35 years
c) 36 years
d) 37 years