What is the maximum number of digits in the repeating block of digits in the quotient while computing `1/17` ? Perform the division to check your answer.

How many 4 digits numbers can be formed from the digits 1 to 9 if not digit can be repeated.

How many 3-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?

How many numbers of four digits can be formed by using the digits 1, 3, 5, 7, 9, a digit being repeated any number of times in any number ?

A five digit number is formed by the digits 1,2,3,4,5 without repetition.Find the probability that the number formed is divisible by 4.

How many natural numbers from 1 to 1000 have none of their digits repeated ?

Find the number of 4-digit numbersthat can be formed using the digits 1, 2, 3, 4, 5 if no digit is repeated. How many of these will be even?

You must have had a friend who must have told you to think of a number and do various things to it, and then without knowing your original number, telling you what number you ended up with. Here is one example. Examine why they work. Write down any three-digit number (for example, 425). Make a six-digit number by repeating these digits in the same order (425425). Your new number is divisible by 7, 11 and 13.

If the three digit number 24x is divisible by 9, what is the value of x?

A five-digit number is formed by the digit 1, 2, 3, 4, 5 without repetition. Find the probability that the number formed is divisible by 4.