| 25798 | Vid intended to type a seven-digit number, but the two 3's he… | Medium | |
| 25848 | How many three digits odd numbers can be formed by using the… | Medium | |
| 25912 | What is the sum of all 3 digit positive integers that can… | Medium | |
| 26212 | If log1087.5 = 6.9421, then the number of digits in (875)10 is | Medium | |
| 26317 | How many integers between 3000 and 4000 that have distinct digits and… | Medium | |
| 26348 | How many numbers greater than a thousand can be made using the… | Medium | |
| 26472 | How many 3 digit integers can be chosen such that none of… | Medium | |
| 26477 | What is the units digit of the expression 14^7−18^4 | Medium | |
| 26557 | 8k8 + k88 -------- 1,6r6 If k and r represent non-zero digits… | Medium | |
| 26594 | A number consists of 3 digit whose sum is 10 | Medium | |
| 26739 | How many even numbers greater than 300 can be formed with digits… | Medium | |
| 26765 | If (10^20) – 65 is written as a base 10 integer, what… | Medium | |
| 26832 | The difference between a two-digit number and the number after interchanging the… | Medium | |
| 26865 | Find the Unit’s digit in the product (76^41) * (41^14) * (14^87)… | Medium | |
| 26957 | Pid intended to type a seven-digit number, but the two 3's he… | Medium | |
| 26969 | Mid intended to type a seven-digit number, but the two 3's he… | Medium | |
| 26987 | If a is a digit in the number (a5,608 + 584)/88 =… | Medium | |
| 27068 | AB + CD = RRR, where AB and CD are two-digit numbers… | Medium | |
| 27070 | A two-digit number is such that the product of the digits is… | Medium | |
| 27174 | How many digits are in the number 50^8 × 8^3 × 11^2… | Medium | |
| 27176 | A boy multiplied 987 by a certain number and obtained 559981 as… | Medium | |
| 27268 | A bar over a sequence of digits in a decimal indicates that… | Medium | |
| 27278 | In a two-digit number, if it is known that its unit's digit… | Medium | |
| 27314 | x, a, z, and b are single digit positive integers | Medium | |
| 27385 | What is the units digit of (147^17)^47 | Medium | |
| 27446 | If the tens digit x and the units digit y of a… | Medium | |
| 27500 | In State X, all vehicle license plates have 1 letter from the… | Medium | |
| 27771 | How many odd three-digit integers smaller than 500 are there such that… | Medium | |
| 27798 | In a two-digit number, the digit at unit place is 1 more… | Medium | |
| 28061 | If the units digit of n^39 is 7, which of the following… | Medium | |
| 28068 | How many 4digit no.'s can be formed using the digits {1, 3… | Medium | |
| 28096 | An Indian company plans to assign identification numbers to its employees | Medium | |
| 28135 | If the two-digit integers A and B are positive and have the… | Medium | |
| 28228 | If a 5-digit numerical with local value of digits 3 is 300… | Medium | |
| 28256 | A palindrome is a word or a number that reads the same… | Medium | |
| 28274 | What is the two-digit number | Medium | |
| 28315 | How many options are there for a code consisting of 2 even… | Medium | |
| 28420 | How many integers between 50 and 200 are there such that their… | Medium | |
| 28548 | If t is a positive integer and 10^t – 74 in decimal… | Medium | |
| 28561 | how many four digits numbers are formed such that the digits are… | Medium | |
| 28632 | What is the unit digit of (6!*6 | Medium | |
| 28635 | One boy forgot the last digit of a 7 digit no | Medium | |
| 28804 | Find the total number of four digit numbers that can be formed… | Medium | |
| 28870 | in base 7, a number is written only using digits 0,1,2,3,4,5,6 | Medium | |
| 28914 | Q | Medium | |
| 29041 | Ray writes a two digit number | Medium | |
| 29100 | AT + CD = AAA, where AT and CD are two-digit numbers… | Medium | |
| 29196 | If the tens digit of positive integers x, y are 6, how… | Medium | |
| 29242 | How many two-digit numbers are there such that all two digits are… | Medium | |
| 29292 | If the two-digit integers K and N are positive and have the… | Medium | |