CET 12th Level — Number System & Average MCQs
Practice 20 free number system & average multiple choice questions for CET 12th Level exam. Instant answers with explanations in Hindi and English.
Master Number System & Average under Arithmetic for CET 12th Level with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.
CET 12th Level — Arithmetic — Number System & Average
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
Ankit bought 4 shirts at the rate of Rs 550 each and 2 trousers at the rate of Rs 820 each. What is the average price of each item he bought?
Question 2 of 20
Two years ago, the average age of A, B, and C was 24 years. Seven years ago, the average age of B and C was 25 years. What is the present age of A?
Question 3 of 20
In a family, there are grandparents, parents, and three grandchildren. The average age of the grandparents is 66 years, the average age of the parents is 34 years, and the average age of the grandchildren is 8 years. What is the average age of the family?
Question 4 of 20
By combining two classes of students having average marks 28 and 40, the overall average marks become 30. If there are 35 students in the second class, what is the number of students in the first class?
Question 5 of 20
The present average age of a husband, wife, and a child is 22 years. 5 years ago, the average age of the husband and wife was 26 years. What is the present age of the child?
Question 6 of 20
What is the average of the first five multiples of 12?
Question 7 of 20
The average of 8 numbers is 12. If the average of 5 of these numbers is 15, what is the average of the remaining numbers?
Question 8 of 20
In a group of 50 students, the average age of the boys is twice the number of girls. The average age of the whole group is 19.2. If the ratio of boys to girls in the group is 4:1, what is the average age of the girls?
Question 9 of 20
What is the average of the first 11 multiples of 13?
Question 10 of 20
A batsman has an average of 55 runs in his 9 innings. How many runs must he score in his 10th inning so that his average becomes 65?
Question 11 of 20
The average of nine consecutive natural numbers is 'a'. What will be the average of the five largest numbers among these nine numbers?
Question 12 of 20
The average of 25 results is 18. If the average of the first 12 results is 14 and that of the last 12 results is 17, what is the 13th result?
Question 13 of 20
The average age of 40 students and a teacher is 18 years. If the teacher is excluded, the average age decreases by 0.5 years. What is the age of the teacher?
Question 14 of 20
Out of four given numbers, the average of the first three numbers is 15 and the average of the last three numbers is 16. If the last number is 19, what is the first number?
Question 15 of 20
What is the average of all the even numbers between 320 and 350?
Question 16 of 20
The average of 7 numbers is 39. If the average of the first 3 numbers is 27, what is the average of the remaining 4 numbers?
Question 17 of 20
The average of 40 numbers is zero. At most, how many of these numbers can be greater than zero?
Question 18 of 20
The average age of 16 players in a team decreases by 6 months when a 28-year-old player is replaced by a new player. What is the age of the new player?
Question 19 of 20
The average age of 8 students is 11 years. If two students of ages 15 years and 17 years join the group, what will be the new average age?
Question 20 of 20
The average income of a person in January, April, July, and October is 3/2 times the average income of the remaining months. His average savings in these four months is 5/4 times the average savings of the remaining months (which is Rs 400). If the average income of the remaining 8 months is Rs 600, what is his average monthly expenditure over the year?
More Arithmetic Subtopics
Practice other subtopics under Arithmetic to strengthen your CET 12th Level preparation.