| 51771 | In a division sum, the divisor is ten times the quotient and… | Medium | |
| 51794 | X, Y, and Z are different prime numbers | Medium | |
| 51960 | How many of the following numbers are divisible by 21 | Medium | |
| 51969 | How many two digit numbers of distinct digits can be formed by… | Medium | |
| 51979 | In a division sum, the divisor is ten times the quotient and… | Medium | |
| 51982 | What is the greatest prime factor of 1+2+3+。。。+52 | Medium | |
| 51996 | Find the total number of prime factors in the expression (4)^11 x… | Medium | |
| 52022 | When positive integer n is divided by 5, the remainder is 1 | Medium | |
| 52078 | If n is a positive integer and n^2 is divisible by 18… | Medium | |
| 52098 | Which of the following must be an integer if the integer x… | Medium | |
| 52133 | If s and t are positive integers such that s/t = 64.28… | Medium | |
| 52170 | A certain no | Medium | |
| 52189 | Find the smallest number of five digits exactly divisible by 16,24,36 and… | Medium | |
| 52193 | If n is the product of the integers from 1 to 9… | Medium | |
| 52218 | Positive Integer A gives the remainder of 20 when divided by another… | Medium | |
| 52232 | Which of the following are divisible by both 2 and 3 | Medium | |
| 52233 | How many of the positive factors of 75 are not factors of… | Medium | |
| 52265 | If the positive integer y is divisible by 3, 8, and 16… | Medium | |
| 52270 | If s and t are positive integers such that s/t = 43.18… | Medium | |
| 52297 | Find a sum for first 6 prime numbers | Medium | |
| 52395 | If n is the greatest positive integer for which 2^n is a… | Medium | |
| 52408 | If the number 892,142,24x is divisible by 11, what must be the… | Medium | |
| 52420 | When n is divided by 19 , the remainder is 6 | Medium | |
| 52455 | If the product of the integers from 1 to n is divisible… | Medium | |
| 52485 | The number N is 5,H64, where H represents the hundred's digit | Medium | |
| 52497 | 1^1 + 2^2 + 3^3 + | Medium | |
| 52541 | The sum of the non-prime numbers between 60 and 70, non-inclusive, is | Medium | |
| 52558 | What is the sum of the different positive prime factors of 500 | Medium | |
| 52574 | what is the remainder when 46 | Medium | |
| 52587 | Find large number from below question The difference of two numbers is… | Medium | |
| 52601 | When positive integer n is divided by 2, the remainder is 2 | Medium | |
| 52653 | If B and C are digits and 8BC is a 4-digit number… | Medium | |
| 52706 | How many numbers from 29 to 119 are exactly divisible by 11 | Medium | |
| 52734 | If the number 517 * 324 is completely divisible by 3, then… | Medium | |
| 52866 | The smallest number which when diminished by 3, is divisible by 12… | Medium | |
| 52918 | If n is an integer greater than 6, which of the following… | Medium | |
| 52956 | If x and y are integers and x divided by y is… | Medium | |
| 52977 | How many of the following numbers are divisible by 132 | Medium | |
| 53031 | In a division sum, the remainder is 4 and the divisor is… | Medium | |
| 53072 | If n is a prime number greater than 19, what is the… | Medium | |
| 53163 | What is the remainder when 1271 * 1276 * 1277 *1285 is… | Medium | |
| 53181 | When positive integer n is divided by 7, the remainder is 1 | Medium | |
| 53205 | Which of the following cannot be the sum of 2 different prime… | Medium | |
| 53255 | Let C be defined as the sum of all prime numbers between… | Medium | |
| 53427 | If a certain number is divisible by 14 and 20, it is… | Medium | |
| 53431 | Which of the following numbers is divisible by 9 | Medium | |
| 53496 | The largest 4 digit number exactly divisible by 90 is | Medium | |
| 53499 | Find the number of different prime factors of 1250 | Medium | |
| 53526 | If x is divisible by 6 and 5, which of the following… | Medium | |
| 53614 | The variables m and n are positive integers | Medium | |