Blog

What is the greatest 10 digit number with no repetition of digits?

What is the greatest 10 digit number with no repetition of digits?

As we know that if any number N is divisible by a and b and if a and b are co-primes, then the number is divisible by a⋅b. So the factor of that number is 99999.

How many 10-digit numbers are there?

If repetition is allowed, then the number of permutations of 10 digits is 10,000,000,000.

How many ways can you arrange 10 digits?

10,000,000,000
If repetition is allowed, then the number of permutations of 10 digits is 10,000,000,000. If repetition is not allowed, then the number of…

How much is a number with 10 digits?

In the International number system, a 10-digit number is expressed by using commas just after every three digits from the right. The smallest 10-digit number is written as 1,000,000,000 and is called one billion.

READ ALSO:   What is an expression that means something other than the literal meaning?

How many possible five digit numbers are there between 0-9?

Now, there are 105 ways in which the digits 0-9 can be chosen for the five places of a five digit number. Out of these, 104 start with zero (once we start with 0, there are only 4 slots to fill, where we have 10 choices each). So, the number of possible five digit numbers is. 105 − 104 = 9 × 104 = 90000. These are the numbers 10000 to 99999.

How many 3 digit numbers are there without repetition of digits?

The third digit has 8 options, i.e. 0–9 without the two digits already appeared. The number of 3-digit numbers without repetition of digits is then 9 × 9 × 8 = 648. Another way to look at it:

How many 4 digit numbers are there in all?

There will be as many 4 – digit numbers as there are permutations of 5 different digits taken 4 at a time. 5 5 4 5 1 P!!!! = 5 × 4 × 3 × 1 × 1 = 120 Among the 4 – digit numbers formed by using the digits, 1, 2, 3, 4, 5, even numbers end with either 2 or 4.

READ ALSO:   Is jQuery a JavaScript library?

How many possible digits are there in thousands place?

Out of these we need to make 4 digit numbers ie we have 4 places …thousands, hundreds, tens , ones In thousands place out of 10 digits 0 is to be excluded or else the number so formed turns into a 3 digit number. So, 9 possible digits in thousands place. In hundreds place, we can include 0 but already one digit has been placed in ‘thousands’