Home
Class 11
MATHS
A seven-digit number without repetition ...

A seven-digit number without repetition and divisible by 9 is to be formed by using seven digits out of `1, 2, 3, 4 5, 6, 7, 8, 9.` The number of ways in which this can be done is (a) `9!` (b) `2(7!)` (c) `4(7!)` (d) non of these

Promotional Banner

Similar Questions

Explore conceptually related problems

A seven-digit number without repetition and divisible by 9 is to be formed by using seven digits out of 1,2,3,45,6,7,8,9. The number of ways in which this can be done is (a) 9! (b) 2(7!) (c) 4(7!) (d) non of these

An eight digit number divisible by 9 is to be formed using digits from 0 to 9 without repeating the digits. The number of ways in which this can be done is

A five digit number divisible by 3 is to be formed using the digits 0,1,3,5,7,9 without repetitions. The total number of ways this can be done is

An eight digit number divisible by 9 is to be formed using digits from 0 to 9 without repeating the digits.The number of ways in which this can be done is: (A) 40(7!) (B) 36(7!) (C) 18(7!) (D) 72(7!)

A five-digit number divisible by 3 is to be formed using the digits 0, 1, 2, 3, 4, and 5, without repetition. The total number of ways this can done is (a) 216 (b) 240 (c) 600 (d) 3125