| 36677 | What is the units digit of 26 | Medium | |
| 36834 | What is the sum of all 3 digit positive integers that can… | Medium | |
| 36977 | What is the sum of all three digit integers formed using the… | Medium | |
| 36983 | How many integers between 100 and 500 are there such that their… | Medium | |
| 37037 | A local bank that has 20 branches uses a two-digit code to… | Medium | |
| 37080 | In a three digit number, the hundred digit is 2 more than… | Medium | |
| 37084 | When 30 is subtracted from a number, it reduces to seven-twelve of… | Medium | |
| 37164 | A construction company wants to number new houses using digit plates only | Medium | |
| 37230 | What are the last two digits of 43*25*23*72*51*31 | Medium | |
| 37355 | How many integers between 100 and 400 are there such that their… | Medium | |
| 37834 | If the units digit of n^26 is 7, which of the following… | Medium | |
| 37842 | if log 6 = 0.778151, the number of digits in 6128 is | Medium | |
| 37960 | How many integers between 500 and 1000 are there such that their… | Medium | |
| 37972 | if log 7 = 0.845098, the number of digits in 7128 is | Medium | |
| 38003 | What is the tens digit of 36^30 | Medium | |
| 38112 | What is the tens digit of 7^957 | Medium | |
| 38234 | how many positive integers less than 1960 are such that the product… | Medium | |
| 38323 | Find the ones digit of 73^352 | Medium | |
| 38471 | In State X, all vehicle license plates have 2 letters from the… | Medium | |
| 38478 | How many integers between 5000 and 6000 that have distinct digits and… | Medium | |
| 38562 | What is the sum of the digits of integer k, if k… | Medium | |
| 38715 | Given a two-digit number, the unit's digit exceeds its ten's digit by… | Medium | |
| 38778 | If a is a positive integer, and if the units digit of… | Medium | |
| 38839 | __2A x__B ____ CC In the multiplication problem above, A, B, and… | Medium | |
| 39019 | x, a, z, and b are single digit positive integers | Medium | |
| 39293 | Find the unit digit in the product 274*318*577*313 | Medium | |
| 39330 | Each digit 1 through 5 is used exactly once to create a… | Medium | |
| 39346 | How many integers between 100 and 300 are there such that their… | Medium | |
| 39442 | If n = 5^11 – 5, what is the units digit of… | Medium | |
| 39469 | How many different positive integers exist between 10^2 and 10^3, the sum… | Medium | |
| 39482 | Which of the options is a two-digit number, which has a unit's… | Medium | |
| 39565 | What is the units digit of (3^16)(4^13) | Medium | |
| 39589 | What is the 25th digit to the right of the decimal point… | Medium | |
| 39688 | What is the units digit of 29 | Medium | |
| 39713 | The difference between a two-digit number and the number after interchanging the… | Medium | |
| 39742 | A palindrome is a number that reads the same forward and backward… | Medium | |
| 39820 | How many 4-digit positive integers are there, where each digit is positive… | Medium | |
| 40055 | In a two-digit number, if it is known that its unit's digit… | Medium | |
| 40127 | What is the unit’s digit of 7^7 | Medium | |
| 40525 | If a and b are positive integers and x = 14^a and… | Medium | |
| 40648 | FOG + FOG + FOG + FOG = 1468 | Medium | |
| 40730 | How many different 5 digit numbers can be formed from the number… | Medium | |
| 40827 | What is the units digit of (147^17)^48 | Medium | |
| 40838 | Consider a Number 3.1n6 n represent the hundredths digit in the number… | Medium | |
| 40911 | If n = 8^8 – 8, what is the units digit of… | Medium | |
| 41038 | If 525/999=0.525, what is the 81st digit to the right of the… | Medium | |
| 41040 | A cashier mentally reversed the digits of one customer's correct amount of… | Medium | |
| 41288 | How many 3-digit positive integers are there, where each digit is positive… | Medium | |
| 41332 | How many 4-digit even numbers are possible such that if one of… | Medium | |
| 41412 | What is the units digit of 222^(333)*333^(222) | Medium | |