| 95455 | The set X consists of the following terms: {4,44,444,4444,.....}, where the nth… | Medium | |
| 95530 | Of the integers between 100 and 999, inclusive, how many do not… | Medium | |
| 95620 | Find the ones digit of 73^330 | Medium | |
| 95690 | If a and b are positive integers and x = 8^a and… | Medium | |
| 95755 | What is the 20th digit to the right of the decimal point… | Medium | |
| 95964 | If 21/22 = 0.95.45, what is the 57th digit to the right… | Medium | |
| 96069 | The unit digit in the product (594 * 897* 929 * 462)… | Medium | |
| 96078 | What is the 29th digit to the right of the decimal point… | Medium | |
| 96169 | AB +BA ___ 101 In the addition problem above, A and B… | Medium | |
| 96311 | How many integers between 6000 and 7000 that have distinct digits and… | Medium | |
| 96341 | If the number 53,1n9, where n represents the tens digit, is a… | Medium | |
| 96538 | The set X consists of the following terms: {4,44,444,4444,.....}, where the nth… | Medium | |
| 96595 | How many 3-digit even numbers are possible such that if one of… | Medium | |
| 96596 | The unit digit in the product 7858*1086*4582*9783 is | Medium | |
| 96636 | A palindrome is a number that reads the same forward and backward… | Medium | |
| 96648 | How many four-digit positive integers can be formed by using the digits… | Medium | |
| 96661 | What is the units' digit of the following expression (13)^5*(19)^5*(17)^5 | Medium | |
| 96704 | In State X, all vehicle license plates have 3 letters from the… | Medium | |
| 96901 | x, a, z, and b are single digit positive integers | Medium | |
| 96903 | There are 27 different three-digit integers that can be formed using only… | Medium | |
| 96940 | The units digit of (35)^(87) + (93)^(49) is | Medium | |
| 97287 | The set X consists of the following terms: {4,44,444,4444,.....}, where the nth… | Medium | |
| 97369 | What is the units digit of (493) (915) (381) (756) | Medium | |
| 97395 | The first three terms of an infinite sequence are 2, 7, and… | Medium | |
| 97610 | How many 2 digit numbers that do not contain the digit 2… | Medium | |
| 97674 | If integers ending in zero are excluded, what is the unit digit… | Medium | |
| 97756 | What is the least number of digits (including repetitions) needed to express… | Medium | |
| 97771 | If x = a!, which of these following values of a is… | Medium | |
| 97857 | In a set of numbers from 100 to 1000 inclusive, how many… | Medium | |
| 97912 | How many times digit 6 is used while writing numbers from 100… | Medium | |
| 97913 | __2A x__B ____ CC In the multiplication problem above, A, B, and… | Medium | |
| 97917 | If n = 8^8 – 5, what is the units digit of… | Medium | |
| 97998 | What two-digit number is less than the sum of the square of… | Medium | |
| 98169 | Find the smallest four-digit number which is a multiple of 112 | Medium | |
| 98286 | Let x and y be positive integers, and r and s be… | Medium | |
| 98310 | X Y +Y X ________ The sum of the two digit numbers… | Medium | |
| 98326 | If two numbers x, a perfect square and y, a perfect cube… | Medium | |
| 98434 | If integers ending in zero are excluded, what is the unit digit… | Medium | |
| 98533 | How many integers between 324,700 and 436,600 have tens digit 1 and… | Medium | |
| 98721 | How many positive integers less than 8,000 are there in which the… | Medium | |
| 98748 | What are the last two digits of 36*28*61*83*73*62 | Medium | |
| 99278 | What is the units digit of 9^3-7 | Medium | |