The average age of 22 children and their teacher's age are 20 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
Average weight of 36 students is 68 kg. When two new students with weights (m + 12) kg and (m - 6) kg join, the average weight becomes 69 kg. Find the v...
The average age of a group of persons going for tour to Shimla is 22 years. 25 new persons with an average age of 10 years join the group and their aver...
The average age of the husband, wife, and their child 3 years ago was 24 years and that of the Wife and the child 4 years ago was 19 years. The present ...
- The average score of Neha in 5 subjects was recorded as 62. However, her marks in Science and History were mistakenly entered as 49 and 60 instead of 59 an...
Virat Kohli's strike rate after facing 'b' balls is 120. In the subsequent 15 balls, he scores an additional 39 runs, leading to ...
The combined average number of pens with persons ‘B’ and ‘C’ is 75% of the combined average number of pens with persons ‘A’ and ‘D’. The...
The ages of 5 children are 6, 8, 10, 12 and 14 years. Find their average age.
The average age of a group of nine children is 7 years. From the group, three children, whose ages were 3 years more, 2 years more, and 4 years more tha...
In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “dow...
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