| 85114 | what is the sum of all 5 digits numbers which can be… | Medium | |
| 85217 | consider a no 235, where last digit is the sum of first… | Medium | |
| 85484 | How many three-digit numbers satisfy this property.: The last digit (unit's digit)… | Medium | |
| 85608 | How many odd integers F between 200 and 600 are there such… | Medium | |
| 85626 | The sum of 5 different positive 2-digit integers is 130 | Medium | |
| 85662 | Given that p is a positive even integer with a positive units… | Medium | |
| 85721 | 72 hens cost Rs | Medium | |
| 85734 | What is the unit digit in (4137)754 | Medium | |
| 85754 | Find the greatest four digit number which leaves respective remainders of 2… | Medium | |
| 85880 | How many odd integers X between 200 and 600 are there such… | Medium | |
| 85996 | The Tens digit of a two digit number is 4 times of… | Medium | |
| 86018 | There are how many 4-digit even numbers if the first digit cannot… | Medium | |
| 86097 | If y = 1296 * 125 * 4096 / 25, How many… | Medium | |
| 86217 | In each of the following numbers, what should be the missing digit… | Medium | |
| 86245 | If x and y and z are two-digit integers such that x… | Medium | |
| 86310 | If the tens digit of positive integers m, y are 6, how… | Medium | |
| 86448 | Each digit 1 through 5 is used exactly once to create a… | Medium | |
| 86606 | how many 3 digit numbers can be formed by using 2,4 and… | Medium | |
| 86637 | The digits of a two-digit number differ by six | Medium | |
| 86758 | If one of the followings is the product of the two 3-digit… | Medium | |
| 86765 | Given that 29a031 × 342 = 100900b02 where a and b denote… | Medium | |
| 86790 | 1,234 1,243 1,324 | Medium | |
| 86793 | The number obtained by interchanging the digits of a two-digit number is… | Medium | |
| 86967 | How many three digit numbers can be formed using the digits {1… | Medium | |
| 87022 | How many three digit numbers are there which are equal to 3434… | Medium | |
| 87067 | The integer W has a tens digit of 6 and a units… | Medium | |
| 87217 | If h is a positive integer, and if the units' digit of… | Medium | |
| 87228 | A teacher wants to label folders with numbers using digit stickers only | Medium | |
| 87247 | The digit in the units place of a number is equal to… | Medium | |
| 87317 | a is the hundreds digit of the three digit integer x, b… | Medium | |
| 87502 | How many 5 digit even numbers with distinct digits can be formed… | Medium | |
| 87624 | How many positive 5-digit integers have the odd sum W of their… | Medium | |
| 87656 | If the same letters represent the same digit and different letters represent… | Medium | |
| 88049 | How many integers between 1000 and 10000 have no digits other than… | Medium | |
| 88141 | How many 4-digit numbers can be formed by using the digits 0-9… | Medium | |
| 88143 | Employees of a certain company are each to receive a unique 9-digit… | Medium | |
| 88276 | A man desired to get into his work building, however he had… | Medium | |
| 88340 | How many four-digit numbers are there such that all three digits are… | Medium | |
| 88478 | Find the unit's digit in the product (2467)163 x (341)72 | Medium | |
| 88570 | In the equation A + B + C + D + E… | Medium | |
| 88632 | If x^y denotes x raised to the power y, Find last two… | Medium | |
| 88940 | How many three digit numbers can be formed in which if one… | Medium | |
| 89107 | I bought a car with a peculiar 5 digit numbered licence plate… | Medium | |
| 89449 | What is the four-digit number in which the first digit is 1/3… | Medium | |
| 89450 | If w is a positive integer and 10^w – 74 in decimal… | Medium | |
| 89468 | A certain number of two digits is three times the sum of… | Medium | |
| 89504 | Q | Medium | |
| 89668 | How many 4 digit numbers can be formed with the digits 0… | Medium | |
| 89837 | The last digit in the product (784 x 618 x 917 x… | Medium | |
| 89889 | Of the four-digit positive integers that have no digits equal to zero… | Medium | |