# Aptitude : Problems on Average

(1) In the first 15 overs of a cricket game, the run rate was only 4.1. What should be the run rate in the remaining 35 overs to reach the target of 350 runs?

• (a)9.25 runs per over
• (b)8.24 runs per over
• (c)4.45 runs per over
• (d)8.55 runs per over

(2) A family consists of three grandparents, two parents and four grandchildren. The average age of the grandparents is 70 years, that of the parents is 40 years and that of the grandchildren is 10 years. What is the average age of the family?

• (a)35.5 years
• (b)36.25 years
• (c)37.5 years
• (d)36.7 years

(3) A shopkeeper has a sale of Rs. 7435, Rs. 7927, Rs. 7855, Rs. 8230 and Rs. 7562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 7500?

• (a)5991 rupees
• (b)6552 rupees
• (c)5520 rupees
• (d)5458 rupees

(4) The captain of a football team of 11 members is 28 years old and the goalkeeper is 2 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)28.59 years
• (b)27.5 years
• (c)26.85 years
• (d)24.5 years

(5) A bike owner buys petrol at Rs.8.50, Rs. 9 and Rs. 9.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 5000 each year?

• (a)9.25 Rs. per litre.
• (b)8.98 Rs. per litre.
• (c)8.55 Rs. per litre.
• (d)7.89 Rs. per litre.

Author: user