NCERT Class XI Mathematics - Permutations and Combinations - Solutions
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Question : 35
Total: 41
How many 6-digit numbers can be formed from the digits 0, 1, 3, 5, 7 and 9 which are divisible by 10 and no digit is repeated ?
Solution:
When six digit numbers are formed from the digits 0, 1, 3, 5, 7 and 9 which are divisible by 10. Then at unit’s place there will be just 0 and the remaining five places can be arranged in
P 5
\ Required no. of numbers = 1 ×
P 5
\ Required no. of numbers = 1 ×
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