| 60932 | The last digit of 12^12+13^13–14^14×15^15 = | Medium | |
| 61119 | The number of six digit numbers that can be formed from the… | Medium | |
| 61147 | AB + CD = WWW, where AB and CD are two-digit numbers… | Medium | |
| 61180 | One boy forgot the last digit of a 7 digit telephone no | Medium | |
| 61260 | There is one four-digit whole number n, such that the last four… | Medium | |
| 61325 | An employee identification code consists of a vowel followed by a 3-digit… | Medium | |
| 61329 | A certain number of two digits is three times the sum of… | Medium | |
| 61430 | Find the sum of 4 digit numbers which are made by 1,2,5,6 | Medium | |
| 61504 | What is the 99th digit after the decimal point in the decimal… | Medium | |
| 61517 | How many three digit numbers Z greater than 330 can be formed… | Medium | |
| 61585 | The first three terms of an infinite sequence are 2, 7, and… | Medium | |
| 61843 | How many integerskgreater than 100 and less than 1100 are there such… | Medium | |
| 62073 | A person starts writing all 4 digit numbers .How many times had… | Medium | |
| 62247 | The decimal d is formed by writing in succession all the positive… | Medium | |
| 62252 | If the tens digit of positive integers j, y are 6, how… | Medium | |
| 62392 | How many different positive numbers smaller than 2∗10^8 can be formed using… | Medium | |
| 62565 | Howmany three digits odd numbers can be formed using the digits 4,5,6,7,8,9… | Medium | |
| 62685 | How many two digit numbers can be formed using the digits {1… | Medium | |
| 62884 | Starting from 1 if you are asked to write first 172 digits… | Medium | |
| 62956 | A three-digit code for certain locks uses the digits 0, 1, 2… | Medium | |
| 63058 | A popular website requires users to create a password consisting of the… | Medium | |
| 63090 | Find a two digit number which is doubled and after that add… | Medium | |
| 63181 | How many 7 digit number contain number 3 | Medium | |
| 63223 | How many three-digit numbers are there such that all three digits are… | Medium | |
| 63243 | If 153^2*22^6*27^3 = x, what is the units digit of x | Medium | |
| 63385 | A two digit number when 18 added becomes another two digit number… | Medium | |
| 63545 | Find the last non-zero digit of 30^2345 | Medium | |
| 63570 | x, a, z, and b are single digit positive integers | Medium | |
| 63629 | What is the 101st digit after the decimal point in the decimal… | Medium | |
| 63753 | x, a, z, and b are single digit positive integers | Medium | |
| 63805 | How many positive integers Q less than 10,000 are such that the… | Medium | |
| 63946 | If p=125×243×16/405, how many digits are in p | Medium | |
| 63975 | How many 6 digit telephone numbers can be formed if each number… | Medium | |
| 64057 | How many three digit numbers X greater than 330 can be formed… | Medium | |
| 64060 | How many digits 2^1000 has | Medium | |
| 64233 | The 46th digit after the decimal in the decimal expansion of 11996… | Medium | |
| 64253 | How many four digit numbers have no repeat digits, do not contain… | Medium | |
| 64332 | A telephone company needs to create a set of 3-digit area codes | Medium | |
| 64429 | What is the sum of all 3 digit positive integers that can… | Medium | |
| 64579 | jaya two digits age when appended with the two digits age of… | Medium | |
| 64644 | Find the ones digit of 73^355 | Medium | |
| 64748 | In the decimal expansion of 23912/33333 ,what is the 98th digit to… | Medium | |
| 64842 | How many five-digit numbers are there, if the two leftmost digits are… | Medium | |
| 64907 | Find the unit digit in the product(2467)^153*(341)^72 | Medium | |
| 64927 | If a and b are positive integers and x = 2^a and… | Medium | |
| 65092 | QUANT 4-PACK SERIES Problem Solving Pack 4 Question 2 For every positive… | Medium | |
| 65133 | When which digit in 467*15*23 is added 1, the product changes by… | Medium | |
| 65235 | What is the sum of all 3 digit positive integers that can… | Medium | |
| 65281 | How many different 4-digit numbers can be written using the digits 1… | Medium | |
| 65306 | A sealed envelope contains a card with a single digit written on… | Medium | |