| 31544 | A local bank that has 14 branches uses a two-digit code to… | Medium | |
| 31697 | How many three digit numbers that do not contain the digit 3… | Medium | |
| 31771 | How many five-digit numbers are there, if the two leftmost digits are… | Medium | |
| 31862 | If n = 8^8 – 7, what is the units digit of… | Medium | |
| 31962 | How many different 7 digit numbers can be formed from the number… | Medium | |
| 31969 | How many digits are in (8×10^12)(10×10^9) | Medium | |
| 32002 | If k is the sum of the digits of integer m, and… | Medium | |
| 32044 | If one of the followings is the product of the two 3-digit… | Medium | |
| 32057 | How many positive even integers less than 100 contain digits 3 or… | Medium | |
| 32125 | A five digit number is to be formed using each of the… | Medium | |
| 32167 | What is the tens digit of 7^1415 | Medium | |
| 32179 | If two numbers x, a perfect square and y, a perfect cube… | Medium | |
| 32267 | One half of a two digit number exceeds its one third by… | Medium | |
| 32802 | __2A x__B ____ CC In the multiplication problem above, A, B, and… | Medium | |
| 33002 | What is the tens digit of 6^21 | Medium | |
| 33035 | What is the units digit of (7!*6 | Medium | |
| 33094 | What is the tens digit of 7^1001 | Medium | |
| 33118 | What is the 27th digit to the right of the decimal point… | Medium | |
| 33210 | If all of the telephone extensions in a certain company must be… | Medium | |
| 33224 | The total number of digits used in numbering the pages of a… | Medium | |
| 33235 | The units digit of (3)^(44) + (10)^(46) is | Medium | |
| 33314 | A bar over a sequence of digits in a decimal indicates that… | Medium | |
| 33478 | If the tens digit x and the units digit y of a… | Medium | |
| 33513 | If XY denotes X is raised to the power Y, Find the… | Medium | |
| 33514 | How many digits are in (8×10^14)(10×10^10) | Medium | |
| 33588 | How many 2 digit number contain number 3 | Medium | |
| 33726 | How many integers between 324,700 and 448,600 have tens digit 1 and… | Medium | |
| 33728 | The total number of digits used in numbering the pages of a… | Medium | |
| 33895 | The difference between a two-digit number and the number obtained by interchanging… | Medium | |
| 34251 | If XY denotes X is raised to the power Y, Find the… | Medium | |
| 34293 | How many 6 digit number contain number 4 | Medium | |
| 34440 | what is the units digit of the expression 17^7-2 | Medium | |
| 34462 | How many digits are required to number a book containing 300 pages | Medium | |
| 34499 | If x = a!, which of these following values of a is… | Medium | |
| 34658 | What is the unit’s digit of 7^8 | Medium | |
| 35066 | A number consists of 3 digits whose sum is 10 | Medium | |
| 35072 | If A, X, Y, and Z are unique nonzero digits in the… | Medium | |
| 35225 | log3 N+log5 N what is 3 digit number N that will be… | Medium | |
| 35266 | How many odd three-digit integers greater than 600 are there such that… | Medium | |
| 35333 | How many digits are in the number 50^8 × 8^3 × 11^2… | Medium | |
| 35395 | If all of the telephone extensions in a certain company must be… | Medium | |
| 35750 | what is the unit digit in (4137)^754 | Medium | |
| 35777 | Find the unit's digit in (264)^102 + (264)^103 | Medium | |
| 35824 | In a two-digit, if it is known that its unit's digit exceeds… | Medium | |
| 36142 | How many integers between 400 and 1000 are there such that their… | Medium | |
| 36275 | Of the three-digit integers greater than 600, how many have two digits… | Medium | |
| 36306 | What is the 28th digit to the right of the decimal point… | Medium | |
| 36354 | What is the 149th digit to the right of the decimal point… | Medium | |
| 36359 | How many integers from 100 to 800, inclusive, remains the value unchanged… | Medium | |
| 36531 | How many digits are in the number 50^8 × 8^3 × 11^2 | Medium | |