How many 7 digit numbers are there with no digit repeated
For the third place we have 8 options to choose from 0 to 9 excluding the digits we already placed on first and second positions.
Hence the answer appears.
Also there will be 6∗6∗5∗4∗3∗2∗1=4320 seven digit numbers having the digits 0,1,2,3,4,5,6 giving minimum sum as 21.
The reasoning is same as above..
How many combinations of 7 numbers are there
127The number of combinations that are possible with 7 numbers is 127.
What is the smallest 8 digit number
10000000So, 10000000 is the smallest 8-digit number.
What is greatest and smallest number
Thus, the greatest number is 8741. To get the smallest number, the smallest digit 1 is placed at thousands-place, next greater digit 4 at hundred’s place, still greater digit 7 at ten’s place and greatest digit 8 at one’s or units place. Thus, the smallest number is 1478.
Which is the smallest whole number
0The smallest whole number is “0” (ZERO).
How many 4 digit numbers can be formed with the 10 digits
But the 999 integers starting with 1 and ending with 999 have less than 4 digits, so the desired number is 9999-999 or 9000 ways. 2. There are 9 ways to pick the first digit (1 through 9), there are 10 ways to pick the 2nd, 3rd, and 4th digits, so that 9 10 10 10 = 9000 ways.
How many integers from 1 through 999 do not have any repeated digits
738 integersSo the answer is 738 integers with no duplicates.
Which is the 6 digit smallest number
100000(iv) On adding one to the largest five digit number, we get 100000 which is the smallest six digit number.
How many 6 digit numbers are there in all
900,000 6∴ there are 900,000 6-digit numbers in all.
How many 9 digit numbers are there in all
nine hundred millionHow many 9 digit numbers are there in all? There are nine hundred million different 9-digit numbers.
How many 8 digit numbers have one or more repeated digits
Hence, any of the 10 digits(0,1,2,3,4,5,6,7,8,9) can be placed at each place of the 8 digit number….Permutation and Combination #74.74. How many 8 digits mobile numbers can be formed if at least one of their digits is repeated and 0 can also start the mobile number?A. 107B. 108 – 10P7C. 108 – 10P8D. 108
How many digit numbers are there in all
HINT:- Let us first know about four digit numbers. FOUR – DIGIT NUMBERS are the numbers that have four digits, i.e. they have ones, tens, hundreds and thousands places. In fact, to find the number of numbers between any two given numbers, we use the same formula. Therefore, there are 9000 four digit numbers in all.
How many 2 digit numbers are there in all
90 twoHow many two-digit numbers are there? There are 90 two-digit numbers in all.
What is an 8 digit number called
The smallest 8-digit number is 1 followed by 7 zeros. This number is called ten million. The largest 8-digit number is 9 followed by another 7 nines. This number is called ninety-nine million nine hundred ninety-nine thousand nine hundred ninety-nine.
What is the smallest number
00 is the smallest whole number.
How many two digit numbers contain the number 7
18 twoAnswer: There are 18 two digit numbers containing 7.
How many 7 digit numbers are there in all in Indian system
There are ninety lakh (90,00,000) 7-digit numbers in all.
How many 8 digit no are there in all
Do you know how many 8-digit numbers are there in all? Answer: There are nine crore 8-digit numbers in all.
What is the biggest 6 digit number
999,999The largest 6 digit number with one digit, is the largest 6 digit number itself, which is 999,999. The largest 6 digit number with two digits can be obtained by replacing the last digit with another number other than 9, that is 8. So the number is 999,998.
How many 3 digits number are there in all
In the tens place and the ones place, there can be any digit from 0-9. There are possibility of 10 digits in hundredth place and 10 digits in units place. Thus, there are 9 × 10 × 10 = 900 three digit numbers in all. Therefore there are 900 three-digit numbers in all.
How much is a 6 digit number
The smallest 6-digit number is 1 followed by 5 zeros. This number is called one hundred thousand. The largest 6-digit number is 9 followed by another 5 nines.