How many 3 digit numbers can be formed from 2 7 and 9 without repeating any digits?
RD Sharma Solutions Class 6 Mathematics Solutions for Knowing your numbers Exercise 1.1 in Chapter 1 - Knowing your numbersQuestion 8 Knowing your numbers Exercise 1.1 Show How many different 3-digit numbers can be formed by using the digits 0, 2, 5 without repeating any digit in the number? Answer: 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. Therefore, four 3 digit numbers can be formed by using the digits 0, 2, 5. Was This helpful?  How many 3There are 504 different 3-digit numbers which can be formed from numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 if no repetition is allowed. Note: We can also use the multiplication principle to answer this question.
How many three digit numbers are possible using the numbers 0 to 9 repetition of digits allowed?Hence, the required number of numbers =504.
How many 3∴ 3 - digit numbers can be formed from the digits 2, 3, 5, 6, 7 and 9 is 20.
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