Average of 8 numbers is 80. If average of first four and last two numbers is 90 and 60, respectively then find the fifth number given that ratio of fift...
In a workshop with 20 participants, the average productivity score is 90. One person with a score of 85 leaves, and 3 new participants with an average s...
What is the overall average of marks for all the students if three groups consist of 45, 35, and 40 students with average marks of 40, 60, and 45, respe...
A coder solved problems at an average of x problems per day for the first 25 days. In the next 5 days, they solved at an average of 64 problems per day,...
The average cost of 3 chairs is Rs. 10000. The average cost decrease by 22% when one more chair is included. What is the cost price of the 4th
The average of the first and second numbers is 20, while the average of the second and third numbers is 25. If the sum of the first and third numbers is...
Average of 20 numbers is 90. Average of first 8 numbers is 103 while average of last nine numbers is 40. If ninth number is 25% less than the tenth numb...
The average of 25 numbers is 36. When a new number is added, the average becomes 37. Later, one of the original 25 numbers, which is 30, is removed from...
The average of five even numbers is 60. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
A group of people contains men, women, and children. If 40% of them are men, 35% are women, and the rest are children, and their average weights are 70 ...
