Q41. The captain of a cricket team of 11 members is 26 years old and the wicket-keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?
A. 23 years
B. 21 years
C. 25 years
D. 20 years
Q42. The average age of 36 students in a group is 14 years. When teacher’s age is included in it, the average increases by one. What is the teacher’s age in years?
A. 51 years
B. 45 years
C. 54 years
D. 35 years
Q43. A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14, and x. He found the mean to be 12. What should be the number in place of x?
A. 9
B. 6
C. 8
D. 7
Q44. A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings?
A. 36
B. 37
C. 35
D. 34
Q45. The average temperature for Monday, Tuesday, Wednesday, and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday?
A. 36
B. 34
C. 40
D. 38
Q46. The average age of a husband and his wife was 23 years at the time of their marriage. After five years they have a one-year-old child. The average age of the family now is :
A. 18
B. 19
C. 25
D. 23
Q47. A car owner buys petrol at Rs 7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year?
A. 9.89
B. 7.98
C. 8.97
D. 6.23
Q48. The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is :
A. 21
B. 23
C. 20
D. 24
Q49. Out of 9 persons, 8 persons spent Rs. 30 each for their meals. The ninth one spent Rs. 20 more than the average expenditure of all the nine. The total money spent by all of them was :Â
A. Rs. 298.50
B. Rs. 298
C. Rs. 292.50
D. Rs. 297.50
Q50. A team of 8 persons joins in a shooting competition. The best marksman scored 85 points. If he had scored 92 points, the average score for the team would have been 84. The number of points, the team scored was :
A. 657
B. 658
C. 678
D. 665
