| 64722 | If e is a positive integer, Which of the following options must… | Medium | |
| 64785 | Can you find out how many prime numbers that are less than… | Medium | |
| 64789 | What is the smallest number Q which when increased by 5 is… | Medium | |
| 64792 | The number m yields a remainder p when divided by 10 and… | Medium | |
| 64799 | If Y> 0 and Y is divisible by the product of the… | Medium | |
| 64828 | How many 4 digit numbers can be formed which are divisible by… | Medium | |
| 64864 | An even positive integer 'x' has 'y' positive integral factors including '1'… | Medium | |
| 64933 | What is the smallest number which, when increased by 7, is divisible… | Medium | |
| 64966 | How many integers between 1 and 1,400 are divisible by 25, and… | Medium | |
| 64979 | For any integer n greater than 1, #n denotes the product of… | Medium | |
| 65049 | When the positive integer x is divided by 9,the remainder is 5.What… | Medium | |
| 65078 | Find the least number which when divided by 5,6,7,8 leaves a remainder… | Medium | |
| 65082 | If v=4p where p is a prime number greater than 2, how… | Medium | |
| 65234 | How many five digit numbers can be formed using digits 0,1,2,3,4,5, Which… | Medium | |
| 65242 | Let C represent a set of four distinct prime numbers | Medium | |
| 65256 | s, q, and r are positive integers | Medium | |
| 65270 | A three-digit number 4a3 is added to another three-digit number 984 to… | Medium | |
| 65294 | If x is an integer, then y(y – 1)(y – l) must… | Medium | |
| 65451 | When positive integer N is divided by positive integer D, the quotient… | Medium | |
| 65499 | Find the 2nd least number of four digits which is exactly divisible… | Medium | |
| 65529 | If n=t^3 , when n and t are positive integers and 8… | Medium | |
| 65532 | How many numbers up to 100 and 300 are divisible by 11 | Medium | |
| 65533 | How many positive integers less than 28 are prime numbers, odd multiples… | Medium | |
| 65536 | A number when divided by 779 gives a remainder 47 | Medium | |
| 65567 | If p and q are two different odd prime numbers, such that… | Medium | |
| 65692 | A “Sophie Germain” prime is any positive prime number p for which… | Medium | |
| 65754 | If 5x^2 has two different prime factors, at most how many different… | Medium | |
| 65826 | A FIVE DIGIT NUMBER DIVISIBLE BY 3 IS TO BE FORMED USING… | Medium | |
| 65916 | The sum of the non-prime numbers between 10 and 20, non-inclusive, is | Medium | |
| 65953 | If A is a positive integer, which of the following must be… | Medium | |
| 66009 | Let G represent a set of four distinct prime numbers | Medium | |
| 66037 | n is a whole number which when divided by 4 gives 3… | Medium | |
| 66068 | 8^100 is divisible by 17 | Medium | |
| 66092 | This topic is locked | Medium | |
| 66121 | If x is an integer, then x(x - 1)(x - k) should… | Medium | |
| 66146 | When N is divided by 10 the remainder is 1 and when… | Medium | |
| 66186 | When 28 is divided by the positive integer q, the remainder is… | Medium | |
| 66268 | If the product 48^64 × 9x2 is divisible by 12, then what… | Medium | |
| 66420 | If p and q are prime numbers, how many divisors does the… | Medium | |
| 66440 | When x - p is divided by p - 2, the quotient… | Medium | |
| 66504 | If q is a positive integer and q^2 is divisible by 12… | Medium | |
| 66751 | The sum of the factors of a number is 124 | Medium | |
| 66810 | Let a be a positive integer | Medium | |
| 66869 | what is the remainder when 4.4!*5.5!*6.6!...........19*19 | Medium | |
| 66884 | How many numbers between 1000 and 5000 are exactly divisible by 225 | Medium | |
| 66987 | Which of the following are/is prime | Medium | |
| 67016 | P is a prime number | Medium | |
| 67031 | In a division sum, the divisor is 10 times the quotient and… | Medium | |
| 67059 | If 183 is divisible by 11, find the value of the smallest… | Medium | |
| 67101 | What is the remainder of E=3^19 when divided by 10 | Medium | |