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A six-digit number is to be formed from the digits 1, 2 ,3, 4, 5, 6, 7, 8, 9. Find how many ways the six-digit number can be formed if the number must be odd and is less than 600,000 and no digit may appear more
Punch said:A six-digit number is to be formed from the digits 1, 2 ,3, 4, 5, 6, 7, 8, 9. Find how many ways the six-digit number can be formed if the number must be odd and is less than 600,000 and no digit may appear more than once
grgrsanjay said:its a six digit number
1st digit can be 1,2,3,4,5
2nd digit can be 0-9
3rd digit can be 0-9
4th digit can be 0-9
5th digit can be 0-9
6th digit can be 1,3,5,7,9
total ways = 5(10)(10)(10)(10)(5)
A six-digit number is to be formed from the digits 1, 2 ,3, 4, 5, 6, 7, 8, 9.
Find how many ways the six-digit number can be formed if the number must be odd
and is less than 600,000 and no digit may appear more than once.
"No. of ways to form a number" refers to the number of unique combinations or arrangements in which a specific number can be formed using a set of digits or elements.
The number of ways to form a number can be calculated using the formula nPr = n!/(n-r)!, where n is the total number of elements and r is the number of elements used to form the number.
Yes, the number of ways to form a number can be greater than the number itself. This occurs when there are repeated digits or elements in the set, allowing for multiple combinations to form the same number.
The order of the digits or elements does affect the number of ways to form a number. Different arrangements of the same set of elements can result in different numbers and therefore, different ways of forming the number.
No, the number of ways to form a number cannot be negative. It is always a positive integer, as it represents the total number of unique combinations or arrangements possible.