Q1. A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
(a) Rs. 4991
(b) Rs. 5991
(c) Rs. 6001
(d) Rs. 6991
Q2. In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?
(a) 6.25
(b) 6.5
(c) 6.75
(d) 7
Q3. Of the three numbers, the average of the first and the second is greater than the average of the second and the third by 15. What is the difference between the first and the third of the three numbers?
(a) 15
(b) 45
(c) 60
(d) None of these
Q4. The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is:
(a) 45 kg
(b) 50 kg
(c) 53 kg
(d) 55 kg
Q5. The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older then captain. 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) 24 years
(c) 25 years
(d) None of these
Q6. The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?
(a) 76 kg
(b) 76.5 kg
(c) 85 kg
(d) None of these
Q7. The average age of 8 men is increased by 2 years when two of them whose ages are 21 years and 23 years are replaced by two new men. The average age of the two new men is:
(a) 22 years
(b) 24 years
(c) 28 years
(d) 30 years
Q8. A cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and thereby decreases his average by 0.4. The number of wickets taken by him till the last match was:
(a) 64
(b) 72
(c) 80
(d) 85
Q9. 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 the average weight of B, C, D and E becomes 79 kg. Then weight of A is:
(a) 70 kg
(b) 72 kg
(c) 75 kg
(d) 80 kg
Q10. 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) 19 years
(b) 23 years
(c) 28.5 years
(d) 29.3 years
Q11. 3 years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is
(a) 1 year
(b) 1 1/2 years
(c) 2 years
(d) 3 years
Q12. The average age of 3 children in a family is 20% of the average age of the father and the eldest child. The total age of the mother and the youngest child is 39 years. If the father’s age is 26 years, what is the age of second child?
(a) 15 years
(b) 18 years
(c) 20 years
(d) Cannot be determined
Q13. A certain factory employed 600 men and 400 women and the average wage was Rs. 25.50 per day. If a woman got Rs. 5 less than a man, then what are their daily wages?
(a) Man : Rs. 25, Woman : Rs. 20
(b) Man: Rs. 27.50, Woman : Rs. 22.50
(c) Man : Rs. 30, Woman : Rs. 25
(d) Man: Rs. 32.50, Woman : Rs. 27.50
Q14. The arithmetic mean of the scores of a group of 100 students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is:
(a) 45
(b) 50
(c) 51.4 approx.
(d) 54.6 approx.
Q15. In an examination, a pupil’s average marks were 63 per paper. If he had obtained 23 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?
(a) 8
(b) 9
(c) 10
(d) 11
SOLUTION
1 A
2 A
3 D
4 A
5 A
6 C
7 D
8 D
9 C
10 A
11 C
12 D
13 B
14 C
15 D
