Question
The average of a set of 's' numbers is 25. If 100 is added to the set, then the average of the set becomes 25.2. Find the value of '4 X (s - 9)'.
More Average Questions
- Average of 20 numbers is 90. Average of first 8 numbers is 125 while average of last nine numbers is 40. If ninth number is 25% less than the tenth number ...
- The annual production of an article fluctuates. It consistently rises by 25% for two consecutive years, followed by a 20% decline in the third year. In the...
- The average height of the boys in a class is 160 cm, while the average height of the girls is 155 cm. The overall average height of all students in the cla...
- The average of first five multiples of 3 is
- The average marks of all the students decreased by 2 when it was found that marks of one of the student were wrongly interpreted as 80 instead of 40. Find ...
- Average score of 60 contestants is 185. Two late entries with scores (k + 18) and (k - 12) join, and the average becomes 186. Find (k - 95).
- Average marks scored by each boy in a class were 80, whereas that by each girl were 88. If the number of boys is 50% more than the number of girls, then fi...
- Average weight of 17 nurses is 48 kg. If the weight of one more nurse is included, then average weight is increased by 1 kg. Find the weight of the newly a...
- The average of six numbers is 66. When two more numbers are included, the average increases by 2. Find the average of the numbers included.
- The average score of a class of boys and girls in examination is X. The ratio of boys and girls in the class is 4:3. If the average score of the boys (X + ...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
