0
How many 2 digit numbers can be formed from the digits 4 6 and 8 Assume no number can be used more than once?
Wiki User
∙ 11y ago
This is a question of permutations. It is equal to 3! / (3 - 2)! = 3! / 1! = 6/1 = 6. If you want to check this, you can actually create the numbers yourself, since there aren't that many: 46, 48, 64, 68, 84, 86.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
The total number of five digit numbers that can be be formed digits 12345 is?
It is 120 if the digits cannot be repeated.
What number is 900 less than can be formed using all the digits?
There are 3,265,920 numbers that can be formed using all the digits. The answer to the question will depend on which one of these.
How many numbers of at least tree different digits can be formed from the integers 123456?
Numbers formed should be of at least 3 digits means they may be of 3 digits, 4 digits, 5 digits or 6 digits. There are 6 choices for digit in the units place. There are 5 and 4 choices for digits in ten and hundred’s place respectively. So, total number of ways by which 3 digits numbers can be formed = 6.5.4 = 120 Similarly, the total no.of ways by which 4 digits numbers can be formed = 6.5.4.3 = 360. the total no. of ways by which 5 digits numbers can be formed = 6.5.4.3.2 = 720. The total no.of ways by which 4 digits numbers can be formed = 6.5.4.3.2.1 = 720. So, total no.of ways by which the numbers of at least 3 digits can be formed = 120 + 360 + 720 + 720 = 1920.
How many different 2 digit odd numbers can be formed from the digits 1 through 8 if no digits are repeated in a number?
36
How many 3 digit even number can be formed from digits 123456 if the digits can be repeated?
6*6*3 = 108 numbers.
How many 5 digit number can be formed using the digits 02345when repetition is allowed such that the number formed is divisible by 2 or 5 or both?
There are 2000 such numbers.
How many 5 digits can be formed using the digits 0 2 3 4 5 when repetition is allowed that the number formed is divisible by 2 and 5 or both?
There are 2000 such numbers.
How many 4 digit numbers can be formed by the digits 1234567890?
The number 1234567890 can create about 39 of 40 4 digit numbers.
What are some numbers that are divisible by four?
numbers that are divisible by 4 is either: 4n or numbers in which the number formed by last two digits are divisible by 4
How many even number of 4 digits can be formed out of digits 12.9 if repition of digit is not allowed?
Assuming the question refers to the digits 1, 2, ... , 9 the answer is 1344 numbers.
How many 4 digit numbers can be formed by the digits 3 4 5 6?
16, multiply the number of numbers there are in the set by itself
How many three digits number can be formed out of the number 3 and4 and 5 if repetition of digits is not allowed?
Just six numbers... 345, 354, 435, 453, 534 & 543
