The combined average weight of 8 copies and 5 books is 150 grams. If the average weight of the copies is 180 grams, find the average weight of the books.
A batsman had an average of 39 runs in 35 innings. In his next 5 innings, he scored 100, 85, 90, 80, and 60. What is his updated average?
There are 15 numbers such that average of first 12 numbers is 25 while the average of last five numbers is 44. Find the 12th number, if the ratio betwee...
In a group of 28 friends, the average age is 22 years. One person aged 20 leaves, and 2 new people with an average age of 24 years join. When a new mem...
In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced t...
The average of 10 numbers is 30. If one of the numbers is excluded, the average of the remaining numbers becomes 28. Find the excluded number.
Ram scored an average of 5 goals per match in his first four games. However, he didn't score any goals in the following three matches. How many goals do...
60% of 3840 +? + 30% of 4380 = 40% of 8340 + 10% of 3480
- David Warner has an average score of 82 runs in 140 innings. The highest runs scored by him in an innings exceed his lowest score by 210 runs. If the runs ...
The average salary of 12 employees in a company is Rs.45,000 per year. When two new employees, Alice and Bob, join the company, their salaries being in ...
