There are 42 students in standard 6 A. The average weight of students is 35 kilograms. If two students with weight 33kg and 37 kg are transferred to another school, find the average weight of the remaining students in6A

The average marks of 30 students in a class was 80. After two students left out of the class, the average marks of the remaining students was 82. Then the average marks of the two left out students is

Three groups of 10 kids. The average weight of a kid in each group is 35 kilograms. One more kid joined each group. i) The average weight of a kid in the first group is still 35 kilograms. ii) The average weight of a kid in the second group is now 36 kilograms. iii) The average weight of a kid in the third group is now 34 kilograms. Compute the weight of the new kid in each group.

The mean weight fof 10 students is 42. There is no change in the average when two students are added. If one of the newly added students weight is 40 , what is the weight of the second?

In a class there are 20 boys and the remaining students are girls.The mean weights of the total 50 students is 23 kg. The mean weight of boys is 30.Then find out the mean weight of girls.

The average weight of a kid in a,group of 10 is 35 kilograms. When Sonu also joined them, the average became 36 kilograms. How much does Sonu weigh?

In a class, in an examination in Mathematics, 10 students scored 100 marks each 2 students scored zero and the average of the remaining students is 72 marks. If the class average is 76, then the number of students in the class is

The following values are calculated in respect of heights and weights of the students of a section of Class XI:

For Okhi relief fund, the girls of 9 A donated rupees 4400 , and the boys donated rụpees 4200 . The average amount given by the girls is rupees 200 and that of boys is rupees 150 : Then, a) How many students are there in the class? b) Find the average amount given by the students of 9 A .