| 55583 | A “palindromic integer” is an integer that remains the same when its… | Medium | |
| 55746 | What is the units digit of 33^2 * 17^3 * 39^2 | Medium | |
| 55862 | What is the units digit of 2222^(333)*3333^(444) | Medium | |
| 55942 | Of the three-digit integers greater than 700, how many have two digits… | Medium | |
| 56007 | A local bank that has 9 branches uses a two-digit code to… | Medium | |
| 56051 | log3 N+log6 N what is 3 digit number N that will be… | Medium | |
| 56110 | What is the units digit of 17^73 × 13^82 × 11^87 | Medium | |
| 56125 | What number is obtained by adding the units digits of 734^98 and… | Medium | |
| 56168 | What is the unit digit in 15^100 | Medium | |
| 56302 | How many 9-digits number are Palindromic numbers | Medium | |
| 56807 | What is the units digit of 23^3 * 17^2 * 39^2 | Medium | |
| 56975 | If n = (33)^43 + (43)^32 what is the units digit of… | Medium | |
| 57108 | Which of the options is a two-digit number, which has a unit's… | Medium | |
| 57257 | If a two-digit positive integer has its digits reversed, the resulting integer… | Medium | |
| 57289 | What is the units' digit of the following expression (11)^5*(1)^3*(21)^5 | Medium | |
| 57586 | If the digits 35 in the decimal 0.00035 repeat indefinitely, what is… | Medium | |
| 57616 | How many digits will be there to the right of the decimal… | Medium | |
| 57807 | 55 a6 + 2b ____ 96 If a and b represent positive… | Medium | |
| 57853 | One half of a two digit number exceeds its one third by… | Medium | |
| 57902 | How many digits are required to number a book containing 260 pages | Medium | |
| 58086 | If r = 199,999 and s = 991,999, which of the following… | Medium | |
| 58092 | How many 3-digit even numbers are possible such that if one of… | Medium | |
| 58178 | How many positive even integers less than 100 contain digits 7 or… | Medium | |
| 58184 | A cashier mentally reversed the digits of one customer's correct amount of… | Medium | |
| 58196 | What is the unit’s digit of 7^6 | Medium | |
| 58210 | The difference between a two-digit number and the number after interchanging the… | Medium | |
| 58277 | Q and R are two-digit positive integers that have the same digits… | Medium | |
| 58350 | What is the units digit of 3333^(333)*3333^(222) | Medium | |
| 58900 | How many two-digit numbers satisfy this property.: The last digit (unit's digit)… | Medium | |
| 58962 | How many positive integers less than 6,000 are there in which the… | Medium | |
| 59053 | If (10^4 * 3.456789)^12 is written as a single term, how many… | Medium | |
| 59094 | If a is a positive integer, and if the units digit of… | Medium | |
| 59272 | With # andeach representing different digits in the problem below, the difference… | Medium | |
| 59488 | If the digits 31 in the decimal 0.00031 repeat indefinitely, what is… | Medium | |
| 59592 | What is the sum of all digits for the number 10^28 -… | Medium | |
| 59663 | How many integers from 101 to 1000, inclusive, remains the value unchanged… | Medium | |
| 59890 | ASvennumber is defined as a five-digit number which goes according to the… | Medium | |
| 59907 | How many integers between 50 and 200 are there such that their… | Medium | |
| 60092 | What is the units digit of the expression 14^7−20^4 | Medium | |
| 60228 | How many integers from 101 to 800, inclusive, remains the value unchanged… | Medium | |
| 60304 | The difference between a two-digit number and the number obtained by interchanging… | Medium | |
| 60321 | How many positive integers less than 10,000 are there in which the… | Medium | |
| 60415 | What is the difference between the largest number and the least number… | Medium | |
| 60616 | A popular website requires users to create a password consisting of the… | Medium | |
| 60897 | How many two-digit numbers satisfy this property.: The last digit (unit's digit)… | Medium | |
| 60915 | How many 3-digits number are Palindromic numbers | Medium | |
| 60964 | What is the sum of all 3 digit positive integers that can… | Medium | |
| 61090 | The sum of digits of a two digit number is 13,The difference… | Medium | |
| 61139 | Set X consists of all two-digit primes and set Y consists of… | Medium | |
| 61355 | One-third of a two digit number exceeds its one fourth by 6 | Medium | |