Step by step video, text & image solution for The number of different seven digit number that can be written using only the three digits 1,2, and 3 with the condition that the digit 2 occurs twice in each number is by Maths experts to help you in doubts & scoring excellent marks in ...
Use the numbers 1, 2, 3, 4, 5, 6, 7, 8 to make two four−digit numbers without repeating digits. The largest possible product would be × . 相关知识点: 试题来源: 解析 8531;7642 To make the largest result, when the number of digits is fixed, you should make the digi...
3/Using the numbers 3, 5, and 7, you can form different three-digit numbers. (Digits can be repeated) 相关知识点: 试题来源: 解析 本题考查了乘法原理:做一件事,完成它需要分成n个步骤,做第一步有m1种不同的方法,做第二步有m2种不同的方法,…,做第n步有mn种不同的方法,那么完成这件事共...
Required number=(3C2×2!)×(5C4×4!)=720. | ShareSave Knowledge Check The number of six digit numbers that can be formed by using the digits 1,2,1,2,0,2 is A50 B60 C110 D10 The number of 4 digit numbers that can be formed with the digits 2,3,4,7 and using each digit only...
This principle can be applied to more than two events as well, and it comes in handy when trying to determine the number of ways something can occur.Answer and Explanation: There are 9,000,000 different 7-digit phone numbers that can be made w...
How many different nine digit numbers can be formed from the number 22... 01:49 18 points are indicated on the perimeter of a triangle ABC (see fig... 02:02 If P(A)=0. 59 ,P(B)=0. 30P(AnnB)=0. 21 , then P(A^(prime)nnB^(prime)... 02:49 A seven digit number is cho...
8 (a) A 5-digit number is to be formed from the seven digits 1, 2, 3, 5, 6, 8 and 9. Each digit can only be used once in any 5-digit number. Find the number of different 5-digit numbers that can be formed if(i) there are no restrictions,[1]2520(ii) the number is ...
结果1 题目 12. Find the number of 6-digit numbers using the digits 3,4,5,6,7,8 without repetition.How many of these numbers are(a)divisible by 5, (b) not divisible by 5. 相关知识点: 试题来源: 解析 720a) 120 ,b) 600 反馈 收藏 ...
The number of ways a four-digit number could be made using the digits (1, 2, 3, 4, 5) if the digits cannot be repeated: Total...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a questio...
英语翻译这是一本英语教科书上的关于二进制与十进制计算的说明:By studying these examples,general rules for BCD processing can be deduced.When adding two single digit numbers,the first(Num 1) incremented and the second(Num2