| Giver | Post | Date |
| Kd123 | Select 5 numbers from the nine numbers, namely 1~9 | 13-Dec-2024 |
| samaksh | There are 4 fiction books and 6 non-fiction books | 12-Dec-2024 |
| lindsay2743 | There are 4 fiction books and 6 non-fiction books | 18-Nov-2024 |
| phamngocvangiang | 132^5-2(132^4)+6(132^3)-3(132)/65 | 28-Oct-2024 |
| ImPuLsEr | Select 5 numbers from the nine numbers, namely 1~9 | 11-Sep-2024 |
| shrvan7h | Select 5 numbers from the nine numbers, namely 1~9 | 18-Aug-2024 |
| Saumya611 | x and n are positive integers, such that 7x = 10^n – 1 | 15-Aug-2024 |
| Saumya611 | There are 4 fiction books and 6 non-fiction books | 13-Aug-2024 |
| kathanraval21 | 132^5-2(132^4)+6(132^3)-3(132)/65 | 27-Jun-2024 |
| Ayouly | 132^5-2(132^4)+6(132^3)-3(132)/65 | 17-Aug-2023 |
| meenu29 | x and n are positive integers, such that 7x = 10^n – 1 | 15-Jul-2023 |
| meenu29 | There are 4 fiction books and 6 non-fiction books | 13-Jul-2023 |
| susheelabhat | There are 4 fiction books and 6 non-fiction books | 09-Jul-2023 |
| papsychrogmailcom | There are 4 fiction books and 6 non-fiction books | 18-Apr-2023 |
| pranta | There are 4 fiction books and 6 non-fiction books | 06-Feb-2023 |
| pinkyganatra | List A contains a certain number of consecutive integers | 24-Sep-2022 |
| SUDIPTA2DAS2GUPTA | If p is an odd prime number, and if 5 is a factor of p + p^2 | 21-Sep-2022 |
| Aishwarya1911 | List A contains a certain number of consecutive integers | 23-Jun-2022 |
| tusharkumar2603 | 132^5-2(132^4)+6(132^3)-3(132)/65 | 05-Jun-2022 |
| Akshay1713 | List A contains a certain number of consecutive integers | 12-May-2022 |
| navyak98 | Select 5 numbers from the nine numbers, namely 1~9 | 24-Apr-2022 |
| IMONDAS | Select 5 numbers from the nine numbers, namely 1~9 | 21-Feb-2022 |
| mahjabin | Suppose a, b, c, d, e are selected randomly from the set | 14-Aug-2021 |
| mahjabin | 132^5-2(132^4)+6(132^3)-3(132)/65 | 14-Aug-2021 |
| kamo371 | There are 4 fiction books and 6 non-fiction books | 08-Aug-2021 |
| mainak | Select 5 numbers from the nine numbers, namely 1~9 | 03-Aug-2021 |
| Takvir | There are 4 fiction books and 6 non-fiction books | 11-Jun-2021 |
| arjunbir | K=1.03^N, N is a positive integer | 08-Apr-2021 |
| arjunbir | If a, b, c are three consecutive positive even integers | 31-Mar-2021 |
| Esfandiar | Suppose a, b, c, d, e are selected randomly from the set | 06-Feb-2021 |
