| Recipient | Post | Date |
| BillyZ | The completion in 1925 of the Holland Tunnel, linking Manhattan with | 12-May-2019 |
| Stiv | For any numbers a and b, a#b=a + b - ab. If a#b=0, which of | 10-May-2019 |
| Bunuel | A sequence of numbers a1, a2, a3,…. is defined as follows: a1 = 3, a2 | 07-May-2019 |
| udaymathapati | The infinite sequence a1, a2, …, an, … is such that a1=2 | 07-May-2019 |
| nalinnair | In a certain sequence, each term after the first term is one-half the | 07-May-2019 |
| carcass | A pair of prime numbers that can be expressed in the form {p | 06-May-2019 |
| gmatpapa | Two different primes may be said to"rhyme" around an integer | 06-May-2019 |
| fozzzy | A positive integer is called "square-Free" if it has no fact | 05-May-2019 |
| icandy | Heirloom tomatoes, grown from seeds saved from the previous year, only | 05-May-2019 |
| alimad | Ms. Chambers is among the forecasters who predict that the | 05-May-2019 |
| samrand | The table above shows the results of a survey of 100 voters who each | 05-May-2019 |
| AJ1012 | Each of the 45 books on a shelf is written either in English or in Spa | 04-May-2019 |
| wizard | A total of 20 amounts are entered on a spreadsheet that has | 04-May-2019 |
| mydreammba | Beginning in January of last year, Carl made deposits of $120 into his | 04-May-2019 |
| ITIZCODE | What is the median number of employees assigned per project | 02-May-2019 |
| AbdurRakib | A manufacturer makes and sells 2 products, P and Q. The revenue from t | 02-May-2019 |
| macjas | Of the 300 subjects who participated in an experiment using virtual-re | 02-May-2019 |
| AbdurRakib | For each student in a certain class, a teacher adjusted the student’s | 02-May-2019 |
| Bunuel | At a certain fruit stand, the price of each apple is 40 cents and the | 02-May-2019 |
| Bigred2008 | In the first week of the Year, Nancy saved $1. | 02-May-2019 |
| Walkabout | For the past n days, the average (arithmetic mean) daily | 02-May-2019 |
| Bunuel | What is the value of n in the list above? | 01-May-2019 |
| reply2spg | Tom, Jane, and Sue each purchased a new house. The average | 01-May-2019 |
| Bunuel | Last school year, each of the 200 students at a certain high school at | 01-May-2019 |
| Bunuel | The 10 students in a history class recently took an examination. What | 01-May-2019 |
| Bunuel | Of a group of 50 households, how many have at least one cat or at | 01-May-2019 |
| Bunuel | In a certain group of 50 people, how many are doctors who have a law | 01-May-2019 |
| goodyear2013 | $ M is a certain set of numbers with an average (arithmetic | 30-Apr-2019 |
| enigma123 | If a certain sample of data has a mean of 20.0 and a | 30-Apr-2019 |
| fozzzy | Is the standard deviation of the numbers X, Y and Z equal to | 30-Apr-2019 |