How many different three digit numbers larger than 400 can be formed?

How many different three digit numbers larger than 400 can be formed?

3rd place will be filled by the remaining 4 digits. Hence there are 100 3 digit number that can be formed from the digits 3, 4, 5, 7, 8 and 9 such that the number formed is greater than 400 and no digit in the number is repeated.

How many integers less than 400 can be formed?

The answer is 49 integers less than 400..

How many numbers greater than 4000 can be formed?

Hence, the number of numbers that are greater than 4000 which can be formed using the digits 2, 3, 4, 5, 6 without repetition is 192. Note: You can also use the permutation formula nPr=n! (n−r)!

How many 3 digit numbers can be formed from the digits 2 3 4 5 7 and 9 how many of these numbers are less than 400?

The first digit of the 3-digits can take 7 distinct values: 1, 2, 3, 4, 5, 7, 9. As repetition is allowed, the second digit can also take 7 distinct values, and the third can take 7 distinct values aswell, giving a total of 7⋅7⋅7=343 distinct combinations of numbers.

How many three digit numbers can be formed from the digits 1 2 3 4 and 5 How many different three digit odd numbers can be formed?

How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that repetition of the digits is not allowed. = m x n x p = 5 x 4 x 3 = 60.

What is the 9th odd number?

1, 3, 5, 7, 9, 11, 13, 15 … are sequential odd numbers.

How many three digit numbers can be formed less than 400?

The number must be less than 400, so the first digit must be 2. That leaves only the 0, 4 or 6 to be the middle digit. So, your choices are 201, 241, or 261.

How many 3 digit numbers can be formed using the digits 2 3 and 4 without repetition?

Hence the answer is 900 such numbers can be formed.

How many 3 digit numbers can be written from the digits 1 2 3 and 4 if repetition of digits is allowed?

So the number of 3-number combinations are- (1,2,3),(1,2,4),(1,3,4),(2,3,4). Each can be arranged in 6 ways, so we get 24 ways totally.

How many 3 digit numbers can be greater than 400?

Hence there are 100 3 digit number that can be formed from the digits 3, 4, 5, 7, 8 and 9 such that the number formed is greater than 400 and no digit in the number is repeated. Now for the number to be greater than 400, only 4, 5, 7, 8, 9 can be in the first space. So 5 possibilities.

How many possibilities are there for a number greater than 400?

Now for the number to be greater than 400, only 4, 5, 7, 8, 9 can be in the first space. So 5 possibilities. This leaves 5 digits for the other two spaces as one digit has been used up. So 5 possibilities for the second space and 4 possibilities for the third space.

Can a number have both the first and third digit as 4?

If it’s going to be greater than 400, then the first digit must be 4 or 5. If it’s going to be even, the 3rd digit must be 2 or 4. Finally, since you can’t repeat, the number cannot have both the first and 3rd digit as 4.