Question

34. Find how many 4-digit numbers can be formed using the digits
1, 2, 3, 4, 5, 6 without repetition of the digits. Find out how many of
these are less than 5000 ?
​

Answer 1

Answer:

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Step-by-step explanation:

ANSWER ::

Since the numbers are less than 5000

So

1st digit can be generated in 4 ways

2nd digit can be generated in 5 ways

3rd digit can be generated in 4 ways

4th digit can be generated in 3 ways

So the required answer is = 4×5×4×3 = 240