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The number 64 is divisible by its unit digit 4 How many whole numbers less than 64 are divisible by their unit digit?
18 numbers are there
How many palindromic 4 digit numbers are there less than 5000?
40. Excluding numbers starting with 0.
How many 5 digit numbers under 20000 are divisible by 4 and 9?
There are 278 5-digit numbers less than 20,000 that are divisible by both four and nine.
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 5 digit numbers are even?
With a total of 90,000 five digit numbers, we can conclude that there is 45,000 EVEN five digit numbers.
How many two-digit numbers has a digit sum equal to 5?
There are five such numbers.
How many two digit prime numbers are there?
There are 21 two-digit prime numbers.
How many two digit whole numbers less tan 50 are divisble by the product of their digits What are the numbers?
Five.The five numbers are 11, 12, 15, 24, 36
How many 5 digit combos in 30 numbers?
The answer will depend on how many digits there are in each of the 30 numbers. If the 30 numbers are all 6-digit numbers then the answer is NONE! If the 30 numbers are the first 30 counting numbers then there are 126 combinations of five 1-digit numbers, 1764 combinations of three 1-digit numbers and one 2-digit number, and 1710 combinations of one 1-digit number and two 2-digit numbers. That makes a total of 3600 5-digit combinations.
How many 2-digit numbers contain the digit?
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.
How many 5 digit numbers are divisible by 150?
There are 600 5-digit numbers divisible by 150.
How many numbers are there between 100 and 999 in which all three digit numbers are different?
There are 9 possible numbers for the first digit (one of {1, 2, ..., 9}); with 9 possible digits for the second digit (one of {0, 1, 2, ..., 9} which is not the first digit)); with 8 possible digits for the third digit (one of {0, 1, 2, ..., 9} less the 2 digits already chosen); This there are 9 × 9 × 8 = 648 such numbers.
