A cricketer whose bowling average is 24.85, runs per wicket, takes 5 wickets for 52 runs and thereby decreases his average by 0.85. The number of wicket...
The average of a series of 30 numbers is 70. The difference between the largest number and the smallest number is 140. If the largest and the smallest n...
A student's average score across five subjects is 80. If the scores in four subjects are 78, 85, 82, and 88, what is the average of the top three highes...
Average age of company A is 23 years and average age of both companies A and B is 15 years. If the ratio of number of employees in company A and B is 3:...
- The mean of 15 observations is 124 and the median of the observations is 130. Find the mode of the observations.
The average age of 30 employees is 28 years. If x new employees join with an average age of 35 years, the overall average rises by 1 year. Find x.
Average marks scored by each boy in a class were 70, whereas that by each girl were 90. If the number of boys in the class is 50% more than the number o...
Average weight of 13 nurses is 45 kg. If the weight of one more nurse is included, then average weight is increased by 1 kg. Find the weight of the newl...
The average weight of 40 students in a class is 60 kg. A group of students with average weight 50 kg joins the class, and the overall average becomes 58...
The average of the present age of 'D' and 'E' is 40 years. If the ratio of the age of 'D' 5 years ago to the age of 'E' 5 years hence is 2:3, then find ...