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How many 3 digit counting numbers are not multiples of 5?
There are 720 of them. The three digit counting numbers are 100-999. All multiples of 5 have their last digit as 0 or 5. There are 9 possible numbers {1-9} for the first digit, There are 10 possible numbers {0-9} for each of the first digits, There are 8 possible numbers {1-4, 6-9} for each of the first two digits, Making 9 x 10 x 8 = 720 possible 3 digit counting numbers not multiples of 5.
How many 5-digit numbers are multiples of 5 and 8?
2250
How many positive prime numbers have a ones digit of 5?
Only one positive prime number has a 5 in the ones digit. That prime number is 5. All other numbers with a 5 in the ones digit are composite because they will be divisible by 5.
What are 1 digit whole numbers?
1, 2, 3, 4, 5, 6, 7, 8 and 9 are all 1 digit whole numbers
How many two digit numbers are there in which the tens digit is greater then the ones digit?
The answer depends on what the tens digit is greater than, and what the ones digit does then.
How many 3-d How many 3-digit numbers will be there which are divisible by 19igit numbers with atleast one 5 in their digits?
None. 3 digit numbers are not divisible by 19 digit numbers.
How many 3-digit numbers are there using 2 4 6 8 and 9?
There are 5 numbers which can make the 3 digit numbers in this example. Therefore each digit in the 3 digit number has 5 choices of which number can be placed there. Therefore number of 3 digit numbers = 5 x 5 x 5 = 125
How many 3 digit number are divisible by 5?
There are 180 3-digit numbers divisible by five.
How many 4 digit numbers can be formed from the digits 12345?
The first digit can have 5 possible numbers, the second digit can have 4, the third 3, the fourth 2. 5
How many 3 digit numbers can be formed from 5 numbers without repeating?
6
How many 3 digit numbers can be formed from the digits 357 with any digit repeated?
27 three digit numbers from the digits 3, 5, 7 including repetitions.
How many 3 digit numbers can be formed with set 15678 if repetition is allowed?
There are 5*5*5 = 125 such numbers.
How many two digit numbers are divisible by either 3 or 5?
How many two digit number are divisible by 5
How many 2 digit numbers are divisible by 3 and 5?
6 (15,30,45,60,75,90)
How many different 5 digit numbers can you make with the numbers 2 3 4 5 6?
about... 25 just take 5 numbers times 5 numbers
How many even 3-digit positive integers can be written using the digits 1 3 4 5 and6?
If a digit can be repeated there are 5 x 5 x 5 = 125 possible numbers If a digit cannot be repeated there are 5 x 4 x 3 = 60 possible numbers.
How many three digit numbers can you make using the digits 1 3 5 7 and 9 if no digit appears more than once in a number?
There are 5*4*3 = 60 such numbers.
