Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Number of natural number upto one lakh, which contains 1,2,3, exactly once and remaining digits any time is –
Text Solution
Verified by ExpertsThe correct answer is:
A
First fill 3 places by 1,2,3 in 5P3 ways and then remaining one in 7 x 7 ways so total no. of ways
= 5P3 x 7 x 7 = 2940
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