| 86006 | The positive integers m and n leave remainders of 2 and 3… | Medium | |
| 86015 | If 9 is a factor of 2z, then which of the following… | Medium | |
| 86057 | 325325 is a six digit number.It is divisible by | Medium | |
| 86061 | If q and y are different prime numbers less than ten, what… | Medium | |
| 86170 | When positive integer R is divided by 6 the remainder is 3 | Medium | |
| 86175 | A no | Medium | |
| 86182 | The largest number of four digits exactly divisible by 77 is | Medium | |
| 86202 | An even positive integer 'x' has 'y' positive integral factors including '1'… | Medium | |
| 86230 | If positive integer n is divisible by both 5 and 21, then… | Medium | |
| 86268 | The number '7' is the prime followed by a cube | Medium | |
| 86277 | 6 is the remainder when a certain positive integer is divided by… | Medium | |
| 86298 | If n = 2lk, where l and k are distinct prime numbers… | Medium | |
| 86320 | K = wxyz, where w, x, y, z are prime numbers | Medium | |
| 86322 | Find a sum for first 11 prime numbers | Medium | |
| 86329 | If m and n are positive integers of I such that m… | Medium | |
| 86390 | How many such 4 consecutive numbers are there less than 1000 when… | Medium | |
| 86446 | Let N = 18p, where p is a prime number greater than… | Medium | |
| 86470 | If X = the product of seven distinct prime numbers, how many… | Medium | |
| 86508 | The number 523gbc is divisible by 7,8,9 | Medium | |
| 86551 | Number between 1 to 301 | Medium | |
| 86687 | Can you find the largest possible number containing any 9 of the… | Medium | |
| 86724 | The function f is defined for all positive integers n by the… | Medium | |
| 86731 | For any positive number x, the function [x] denotes the greatest integer… | Medium | |
| 86789 | If n is a prime number greater than 3, what is the… | Medium | |
| 86814 | Which of the following numbers is not prime | Medium | |
| 86833 | If a and b are two numbers one if then is negative… | Medium | |
| 86907 | If A and B are two prime numbers bigger than 2, which… | Medium | |
| 86913 | Which of the following numbers is the number 2 not a prime… | Medium | |
| 86949 | How many 3 digit positive integers T exist that when divided by… | Medium | |
| 87004 | The "factor count" of an integer n greater than 1 is the… | Medium | |
| 87047 | If a certain number when divided by the numbers 5,3,2 one after… | Medium | |
| 87060 | For any integer k > 1, the term “length of an integer”… | Medium | |
| 87126 | If l=4p where p is a prime number greater than 2, how… | Medium | |
| 87134 | If 0 < P < Y, P is an odd number and… | Medium | |
| 87140 | A pair of prime numbers that can be expressed in the form… | Medium | |
| 87172 | When N is divided by 10 the remainder is 1 and when… | Medium | |
| 87219 | If n is a three-digit prime number and j is an integer… | Medium | |
| 87230 | If twice of a number divided by 3d gives 20 as the… | Medium | |
| 87286 | The number 7490xy is divisible by 90 | Medium | |
| 87397 | How many positive integers W between 200 and 300 (both inclusive) are… | Medium | |
| 87411 | Which natural number is nearest to 8485, which is completely divisible by… | Medium | |
| 87438 | When positive integer n is divided by 2, the remainder is 1 | Medium | |
| 87439 | Find the common factors of 15 and 18 | Medium | |
| 87454 | If a, b, and c are consecutive odd positive integers and a<b<c… | Medium | |
| 87479 | Count the numbers between 10 - 99 which yield a remainder of… | Medium | |
| 87491 | Find the least number must be added to 228712 so that remaining… | Medium | |
| 87592 | if m is a positive integer greater than 8, which of the… | Medium | |
| 87744 | In a division sum, the divisor is 12 times the quotient and… | Medium | |
| 87765 | How many odd integers from 1 to 100 (both inclusive) have odd… | Medium | |
| 87781 | If y ≠ 3 and 2m/y is a prime integer greater than… | Medium | |