Number of four digit numbers in which first three digit number is divisible by last digit i.e fourth digit is ___.

The total number of 6-digit numbers in which the sum of the digits is divisible by 5, is

The number of three digit numbers such that its first two digits are each divisible by its third digit is

Number of four digit positive integers if the product of their digits is divisible by 3 is.

Number of 7 digit numbers in which first four digits are in ascending order and last four digits are in descending order and middle digit is a perfect square,is N ,then unit's digit of N.is

Find the number of three-digit numbers which are divisible by 5 and have distinct digits

Let ' m ' denotes the number of four digit numbers such that the left most digit is odd, the second digit is even and all four digits are different and ' n ' denotes the number of four digit numbers such that left most digit is even, second digit is odd and all four digit are different. If m=nk, then k equals :

What is the three-digit number? I. The three-digit number is divisible by 9. II. The first and third digits are 6.

The sum of the digits of a three-digit number is 16. If the tens digit of the number is 3 times the units digit and the units digit is one-fourth of the hundredth digit, then what is the number?

Find the two-digit number (having different digits),which is divisible by 5.

Find the number of all three digit natural numbers which are divisible by 9.