| 30038 | Four barrels of water have an average capacity of 8 gallons | Medium | |
| 30076 | Among 7 Numbers the Average of first four numbers is 13 and… | Medium | |
| 30079 | The average weight of a group of 30 friends increases by 1… | Medium | |
| 30096 | In Company B, the total monthly payroll for the 20 factory workers… | Medium | |
| 30113 | In a hostel of 12 boys and some girls, an average consumption… | Medium | |
| 30120 | The mean daily profit made by a shopkeeper in a month of… | Medium | |
| 30141 | The average of marks obtained by 120 boys was 36 | Medium | |
| 30190 | The average age of a group of person going for picnic is… | Medium | |
| 30252 | A certain furniture can be repaired for …40.00 and will last for… | Medium | |
| 30254 | The sum of the mean, the median, and the range of the… | Medium | |
| 30312 | A bank pays interest to its customers on the last day of… | Medium | |
| 30338 | Z is a set of positive numbers | Medium | |
| 30357 | The mean of 20 values was 150 | Medium | |
| 30360 | The youngest of 4 children has siblings who are 3, 5, and… | Medium | |
| 30361 | The average temperature on Wednesday in Chicago, St | Medium | |
| 30370 | At a certain food stand, the price of each apple is 40¢… | Medium | |
| 30459 | If the Average (mean ) of 13 positive temperatures is x degrees… | Medium | |
| 30490 | Real-estate salesman Z is selling a house at a 20 percent discount… | Medium | |
| 30499 | 6 persons standing in queue with different age group, after two years… | Medium | |
| 30525 | The average score of a cricketer in 6 matches is 27 and… | Medium | |
| 30543 | The cricket team of 11members is 26yrs old & the wicket keeper… | Medium | |
| 30607 | Shankar got 66, 83, 77, 68, 86 marks (out of 100) in… | Medium | |
| 30690 | Nick's average (arithmetic mean) test score on 4 tests is 78 | Medium | |
| 30724 | Set S contains exactly 10 numbers and has an average (arithmetic mean)… | Medium | |
| 30754 | The average of 1st 3 of 4 numbers is 16 and of… | Medium | |
| 30760 | Last year Department Store X had a sales total for December that… | Medium | |
| 30781 | A ship 77 km from the shore, springs a leak which admits… | Medium | |
| 30789 | A car ferry can hold up to 70 tons of cargo | Medium | |
| 30797 | A certain set of numbers has an average (arithmetic mean) of 50… | Medium | |
| 30911 | If the average (arithmetic mean) of the four numbers K + 1… | Medium | |
| 30920 | set s contains the following numbers 10, 14, 19, 27, 36, 49… | Medium | |
| 30922 | A salesman's income consists of a commission and a base salary of… | Medium | |
| 30935 | Find the average of the first 20 natural numbers | Medium | |
| 30953 | Of the 13 employees in a certain department, 1 has an annual… | Medium | |
| 31003 | The average of 20 numbers is zero | Medium | |
| 31097 | If the average of 5 positive integers is 45 and the difference… | Medium | |
| 31117 | The average age of a family of 6 members is 28 years.If… | Medium | |
| 31180 | A Bell Curve (Normal Distribution) has a mean of − 1 and… | Medium | |
| 31183 | The average age of 11 boys is 50, if the average age… | Medium | |
| 31203 | If the consumer price index for a sample of goods and services… | Medium | |
| 31206 | A cyclist traveled for two days | Medium | |
| 31227 | The weight of four dogs is determined to be 25 pounds, 31… | Medium | |
| 31235 | The average age of a group of 12 students was 20 | Medium | |
| 31284 | the present average age of a couple and their daughter is 35… | Medium | |
| 31333 | The average (arithmetic mean)Q of the four distinct positive integers p, q… | Medium | |
| 31346 | If 1 + x^4 + x^3 + x^2 + x = 80… | Medium | |
| 31358 | Four packages have an average weight of 12.5 pounds | Medium | |
| 31372 | For the positive numbers, n, n + 1, n + 2, n… | Medium | |
| 31381 | The averge score of a cricketer for ten matches is 38.9 runs | Medium | |
| 31388 | The average of first 50 non-zero positive integers is | Medium | |