| 51500 | If x and y are both prime numbers greater than 10, which… | Medium | |
| 51504 | Amy, Bob, Cindy, and Daniel all have the same birthday, but they… | Medium | |
| 51515 | A bag of P peanuts can be divided into 9 smaller bags… | Medium | |
| 51532 | If x = 3k, where k is a prime number greater than… | Medium | |
| 51565 | Question: What is the remainder when T=(1!)!^3 + (2!)^3 + (3!)^3 +… | Medium | |
| 51593 | Working independently, Tina can do a certain job in 12 hours | Medium | |
| 51622 | If 6 yrs are subtracted from the present age of John &… | Medium | |
| 51768 | How many 13 digit numbers are possible by using the digits 1,2,3,4,5… | Medium | |
| 51785 | A number has exactly 32 factors out of which 4 are not… | Medium | |
| 51808 | If a number between 1 and 60 (inclusively) is chosen randomly, what… | Medium | |
| 51813 | what is the remainder when 50 | Medium | |
| 51873 | If y and g are distinct prime numbers less than 10, which… | Medium | |
| 51887 | A number when divided by the sum of 555 and 445 gives… | Medium | |
| 51891 | There are 4 prime numbers in ascending order | Medium | |
| 51897 | How many two digit numbers of distinct digits can be formed by… | Medium | |
| 51933 | Find the least number that must be subtracted from 1387 so that… | Medium | |
| 51944 | What least number must be subtracted from 427398 so that remaining number… | Medium | |
| 51951 | If a positive odd integer N has p positive factors, how many… | Medium | |
| 51980 | When n is divided by 5 the remainder is 3 | Medium | |
| 52147 | Positive integer p has n factors; 3p has 3 factors; Which of… | Medium | |
| 52149 | If p is a positive integer and 10p/96 is an integer, then… | Medium | |
| 52150 | When 81 is divided by the cube of positive integer z, the… | Medium | |
| 52169 | A number when divided by 45, gives 432 as quotient and 0… | Medium | |
| 52192 | When 19 is divided by positive integer j, the remainder is 4 | Medium | |
| 52262 | How many numbers amongst the numbers 8 to 52 are there which… | Medium | |
| 52306 | How many 3-digit numerals end with a digit that represents a prime… | Medium | |
| 52320 | How many prime numbers K exist such that 90 < K <… | Medium | |
| 52325 | If a and n are integers, and a^3=360n, then n must be… | Medium | |
| 52338 | The least number which when divided by 5, 6, 7 and 8… | Medium | |
| 52343 | How many 5 no | Medium | |
| 52411 | What is the value of 11^x-11^(x+2), where x is the largest integer… | Medium | |
| 52439 | When positive integer w is divided by 13, the remainder is 2 | Medium | |
| 52449 | Thefactor countof an integer n greater than 1 is the number of… | Medium | |
| 52527 | Which of the following ranges of numbers includes the greatest number of… | Medium | |
| 52584 | What is the largest number of four digits which is divisible by… | Medium | |
| 52621 | If the number 571 * 269 is completely divisible by 9, then… | Medium | |
| 52641 | Find the largest number of four digits exactly divisible by 12,15,18 and… | Medium | |
| 52692 | What least number must be subtracted from 3830 so that the remaining… | Medium | |
| 52702 | When R is divided by 9, the remainder is 4 | Medium | |
| 52747 | If n is a 27-digit positive integer, all of whose digits are… | Medium | |
| 52773 | The product of 4 consecutive even numbers is always divisible by | Medium | |
| 52848 | If y ≠ 3 and 2r/y is a prime integer greater than… | Medium | |
| 52863 | The function f is defined for all the positive integers s by… | Medium | |
| 52921 | which number need to add to 859622 to get a no | Medium | |
| 52932 | If x and y are prime numbers, which of the following CANNOT… | Medium | |
| 53060 | For any integer n greater than 1, n* denotes the product of… | Medium | |
| 53101 | How many of the factors of 1400 are divisible by 2 | Medium | |
| 53151 | The sum of all two digit numbers divisible by 5 is | Medium | |
| 53200 | What is the greatest positive integer E such that 3^E is a… | Medium | |
| 53266 | g, b, c, and d are positive integers | Medium | |