CAT, CMAT, XAT, MAT, GMAT, IIFT, SNAP, NMAT By GMAC, ATMA, IBSAT, TS ICET, AP ICET, JEMAT, MAH MBA CET, B-MAT, NIPER JEE MBA, CUSAT CAT, TISSNET, MICAT, KIITEE Management, UPES MET, Karnataka PGCET, KMAT, TANCET, IRMASAT Solved Practice Questions (QA) - Part 6
Chapter - Averages
Difficulty Level of Questions - 1 (Out of 3)
Q.1. The average monthly expenditure of a family was ₹ 2250 for the first 3 months, ₹ 2150 for the next three months and ₹ 5750 for the next three months. Find the average income of the family for the 9 months, if they save ₹ 500 per month.
A. ₹ 3866.66
B. ₹ 3883.33
C. ₹ 3666.66
D. ₹ 3222.66
Solution:-
Q.2. The average weight of 29 men in a ship is increased by 5 kg when one of the men, who weighs 120 kg, is replaced by a new man. Find the weight of the new man (In kg)
A. 265
B. 205
C. 245
D. 240
Solution:-
Q.3. The average of 11 consecutive numbers is n. If the next two numbers are also included, the average will.
A. increase by 1
B. remain the same
C. increase by 1.4
D. increase by 2
Solution:-
Q.4. The average age of a group of men is increased by 6 years when a person aged 26 years is replaced by a new person of age 56 years. How many men are there in the group?
A. 3
B. 4
C. 5
D. 6
Solution:-
Q.5. The average of 15 papers is 50. The average of the first 8 papers is 48 and of the last eight papers is 54. Find the marks obtained in the 8th paper.
A. 66
B. 64
C. 58
D. 56
Solution:-
Q.6. The average weight of a class of 30 students is 50 kg. If the weight of the teacher is included, the average weight increases by 500 gm. The weight of the teacher is
A. 50.5 kg
B. 65.5 kg
C. 62.5 kg
D. 60.5 kg
Solution:-
Q. 7. Three years ago, the average of a family of 6 members was 18 years. A baby having been born, the average of the family is the same today. What is the age of the baby?
A. 1 year
B. 2 years
C. 3 years
D. 0 years
Solution:-
Q.8. A man had ten children. When their average age was 15 years a child aged 6 years died. The average age of the remaining 9 children is
A. 16 years
B. 13 years
C. 17 years
D. 15 years
Solution:-
Q.9. Ramu's average daily expenditure is ₹ 21 during July, ₹ 24 during August and ₹ 11 during September. His approximate daily expenditure for the 3 months is
A. ₹ 18
B. ₹ 18.75
C. ₹ 17
D. ₹ 18.25
Solution:-
Q. 10. The average salary per head of all the workers in a company is ₹ 9000. The average salary of 15 officers is ₹ 10,000. Find the total number of workers in the company.
A. 75
B. 80
C. 50
D. 40
Solution:-
Questions Courtesy: How to prepare for Quantitative Aptitude for CAT by Arun Sharma
Books I recommend for Quantitative Aptitude:
1. How to Prepare for Quantitative Aptitude for CAT by Arun Sharma
2. Ace Quantitative Aptitude For Banking and Insurance
3. Quantitative Aptitude Quantum CAT by Sarvesh K Verma
4. Quantitative Aptitude for Competitive Examinations by R.S. Aggarwal
*Self Typed
*Source- Books, Internet, Self-Analysis