Table of Contents
How many 3 digit numbers are there which are multiples of 5?
100, 105, 110, 115, 120.
How many 3 digit numbers can be formed which are divisible by 5?
Since the 3 digit number must be divisible by 5, we can have 0 or 5 at the units place….Permutation and Combination #57.
| 57. How many three digit numbers divisible by 5 can be formed using any of the digits from 0 to 9 such that none of the digits can be repeated? | |
|---|---|
| A. 136 | B. 124 |
| C. 112 | D. 108 |
How many three digit counting numbers are multiples of 2 or multiples of 5?
450 three
How many three-digit counting numbers are multiples of 2 or multiples of 5? There are 9(10)(5) = 450 three-digit multiples of 2. A multiple of 5 ends in a 0 or 5, so there are 9(10)(2) = 180 of those.
How many 3 digit number can be formed from digits 0 5 if if repetition is not allowed?
Question 8 How many different 3-digit numbers can be formed by using the digits 0, 2, 5 without repeating any digit in the number? The different 3-digit numbers which can be formed by using the digits 0, 2, 5 without repeating any digit in the number are 205, 250, 502 and 520.
What is the greatest 2 digit even multiple of 5?
100 is only even multiple number of 5.
How many 3-digits can be formed?
The value of r will be 3, as we need a form 3 digit number only. Hence, 24 3-digits numbers can be formed without using the digits 0, 2, 3, 4, 5 and 6.
How many 3 digit numbers are there?
Therefore there are 900 three-digit numbers in all.
What are the multiples of 5?
The first five multiples of 5 are 5, 10, 15, 20, and 25.
How many three digit numbers are there which are multiples of 7?
Three digit natural numbers which are multiples of 7 are 105, 112, 119,…, 994.
How many numbers of 3-digits can be formed?
Hence 1, 7, 8, 9. The value of r will be 3, as we need a form 3 digit number only. Hence, 24 3-digits numbers can be formed without using the digits 0, 2, 3, 4, 5 and 6.
How many three digit numbers can be formed?
Three-digit numbers are to be formed by digits 0, 1, 2, 3, 4 and 5 without repetition. Total number of such three-digit numbers = 5*5*4 = 100. We know, any multi-digit number is divisible by 3, if sum of its digits is a multiple of 3.
Which is the smallest number up to 3 digits?
The digits used to form higher digit numbers are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. The place value of a 3-digit number helps in understanding the value of each of the digits. The smallest of 3-digit numbers is 100 and the largest number is 999.
How to calculate the value of a number up to 3 digits?
Then the second number is 4, and because it is at tens place, it is multiplied by 10. The value, therefore, is 4 × 10 = 40. The third number 2 is at the hundreds place. So 2 is multiplied by 100 and its value is 2 × 100 = 200. Therefore the number is 200 + 40 + 3 = 243.
Which is the expanded form of a 3 digit number?
The expanded form of a 3-digit number can be expressed and written in three different ways. Consider a three-digit number 457. The number 457 can be written in one form as 457 = 4 × hundreds + 5 × tens + 7 × ones. In the second way, the number 457 can be written as 457 = 4 × 100 + 5 × 10 + 7 × 1.