Question

How many three-digit numbers, which are
divisible by 5. can be formed using the digits
0,1,2,3,4,5 if
(i) Repetition of digits are not allowed?
(ii) Repetition of digits are allowed?​

Answer 1

Answer:

(i) repition not allowed 36 ways

(ii) repition allowed 60 ways

Answer 2

By meaning repetition is not allowed, then we can't write it like 110 as 1 is repeated twice.

So according to the question, How many three-digit numbers, which are

divisible by 5. can be formed using the digits

0,1,2,3,4,5.

=

105

205

305

405

125

235

345

215

325

435

120

230

340

450

210

320

430

540

245

325

510

As you can see there can be many possibilities to make a three digit number using 1,2,3,4,5.

So now that you have gotten an idea about it, I suggest you to try it out on your own now.

Hope this helps

Have a great day