1. The average of a batsman after 25 innings was 56 runs per innings. If after the 26th inning his average increased by 2 runs, then what was his score in the 26th inning?
A) 96 B) 104 C) 98
D) 108 E) 107
2. The average age of the 24 students and the principal is 15 years. When the principal age is excluded, the average age decreases by 1 year. What is the age of the principal? (In years)
A) 38 B) 39 C) 40 D) 37 E) 36
3. The average weight of 3 men A, B and C is 84 kg. another man D joins the group and the average now becomes 80 kg. If another man E, whose weight is 3 kg more than that of D, replaces A then average weight of B, C, D and E becomes 78 kg. The weight of A is...
A) 70 B) 72 C) 79 D) 78 E) 76
4. Three years ago the average age of A, B and C was 27 years and that of B and C 5 years ago was 20 years. Then A’s present age is....
A) 30 B) 35 C) 40 D) 48 E) 44
5. Tendulkar has a certain average for 9 innings. In the tenth inning he scores 100 runs there by increasing his average by 8 runs. His new average is?
A) 20 B) 24 C) 28 D) 32 E) 30
6. The average age of 8 persons in a committee is increased by 2 years when two men aged 35 years and 45 years are submitted by 2 women. Find the average age of the two women.
A) 48 B) 45 C) 51 D) 42 E) 56
7. The average temperature for Wednesday, Thursday and Friday was 40°C. The average for Thursday, Friday and Saturday was 41°C. If the temperature on Saturday was 42°C, what was the temperature on Wednesday?
A) 39°C B) 44°C C) 38°C
D) 41°C E) 48°C
8. The average weight of a class of 29 students is 40 kg. If the weight of the teacher be included, the average rises by 50gm. What is the weight of the teacher?
A) 40.5 kg B) 50.5 kg C) 45 kg
D) 55 k g E) 60 kg
9. The average weight of 19 men in a ship is increased by 3.5 kg when one of the men, whose weight 79 kg, is replaced by a new man. Find the weight of the new men up to 2 decimal places.
A) 105.75 B) 107.55 C) 145.50
D) 140.50 E) 144.20
10. If we take four numbers the average weight of first three is 16 and that of the last three is 15. If the last number is 18, then the first number is....
A) 20 B) 21 C) 23 D) 25 E) 32
11. In a family of 8 males and a few ladies, the average monthly consumption of grain per head is 10.8 kg. If the average monthly consumption per head be 15 kg in the case of males and 6 kg in the case of females, find the number of females in the family.
A) 8 B) 7 C) 9 D) 15 E) 11
12. The average age of a group of men is increased by 5 years when a person aged 18 years is replaced by a new person of aged 38 years. How many men are there in the group?
A) 3 B) 4 C) 5 D) 6 E) 7
13. The average of 13 papers is 40. The average of the first 7 papers is 42 and of last 7 papers is 35. Find the marks obtained in the 7th paper.
A) 23 B) 38 C) 19
D) 39 E) 37
14. There were 42 students in a hostel. Due to the admission of 13 new students, the expenses of the mess increase by 31 per day while the average expenditure per head diminished by 3. What was the original expenditure of the mess?
A) 633.23 B) 583.3
C) 623.3 D) 632
E) 584.7
Key
1-D 2-B 3-C 4-C 5-C 6-A 7-A 8-D 9-C 10-B 11-B 12-B 13-C 14-A
