Solution. Given the digits 4,5,6,7,8,9. We have to find distinct four digit numbers which is equal to filling of four vacant places without digits being repeated. Once place can be filled in 6 different ways. Ten's place be filled in 5 different ways. Hundredth place in 4 different ways. And, thousands place can be filled in 3 different ways.
Okay so I have an exercise to do I need to find the highest and the lowest digit in a number and add them together.So I have a number n which is 5368 and the code needs to find the highest (8) and the lowest (3) number and add them together (11).How do i do that?I have tried something like this: The largest 4 digit number exactly divisible by 88 is: a) 9944 b) 9768 c) 9988 d) 8888 e) None of these.Q. Represent the smallest and the largest 7-digit number that can be formed by using any one digit twice, from digits 6, 5, 0, 4, 1 and 2 in Indian system of numeration. Q. Find the smallest 3-digit number formed by using the digits 6 and 2 by using any one digit twice.
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