1.The average score of 5 student’s increases by 3 marks when a new pupil comes in place of one of them has scored 65 marks. What might be the score of the new pupil?
2.The average weight of P and Q is 50kg. The average weight of Q and R is 62kg and the average weight of P and R is 52kg. Then the weight of P is:
3.A beach in Chennai has an average of 650 visitors on Sundays and 300 on other days. If a month of 29 days begins with Sunday, then the average number of visitors per day in the month is
4.What will be the average mark of all the students if 80,90,70 are the average marks of the 3 groups of 40,50 and 60 students respectively?
5.Find the average of 5 consecutive integers when a is the smallest of these numbers.
6.If the average of 5 consecutive odd integers is 11 then the average of last 3 of them is:
7.The average of four consecutive odd integers is 24 less than the sum of these integers. Then which will be the largest of them?
8.The arithmetic mean of the five consecutive numbers a, a+1, a+2, a+3 and a+4 is A, then the value of the median of these numbers is equal to:
9.There are 36 boys and 44 girls in a class. The average score of boys is 40 points and girls is 35 points. Then what will be the average score of the class?
(a) 37.25 points
(b) 28.95 points
(c) 35.5 points
(d) 40.04 points
10.The average weight of kids in a home is 16 kg and adults is 35 kg. Find the average weight of all the person in home.
(a) 25.5 kg
(b) 25 kg
(c) none of these
(d) cannot be determined