How many 4-digit numbers are there with no digit repeated? View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class
To solve the problem of finding how many 4-digit numbers can be formed without repetition of digits, where each number is divisible by 5, we can break it down into two cases based on the last digit.Step 1: Understand the conditions</str
How many 5 number combinations are there using the numbers 1 through 43? How many combinations can you make with the numbers 1,2, and 3? How many combinations are possible with 6 numbers and letters? How many combinations are possible of 26 letters and 10 numbers?
百度试题 结果1 题目How many different combinations can we choose if there are 3 soups, 5 kinds of main dish and 2 desserts in the dining room? 相关知识点: 试题来源: 解析 n=30n=3·5·2=30 反馈 收藏
How many arrangements of the word "permutation" are there in which the letter P is not followed immediately by the letter R? How many more possible arrangements can be made using the letters of the word PERMUTATIONS than using the letters of the word COMBI...
If the sum is divisible by three, then the original number is a multiple of three. If the sum is too large, you can repeat the process until you can tell whether it is a multiple of three. This is the basis for the solution. Since the last two digits are 23, the sum of the ...
How many 4 letter sequences can be made from the letters in the word INEXACT? Because there are 7 letters that don't repeat, 7X6X5X4=840 combinations. To give you an idea of how to solve the problem, if there had been 9 letters and you wanted to make combinations of 3 lett...
There are six different syllable types in the English language. Learning how to recognize and count syllables can help with pronunciation, reading comprehension, and spelling. Here’s a breakdown of the six different types of syllables: Closed syllables: A closed syllable has one vowel sound and ...
Well, there are 4 composite numbers, and you can list them in a 1 number format, a 2 number, 3 number, and a 4 number format. Now, we can use combinations. (41)+(42)+(43)+(44)=15. Using the answer choices, the only multiple of 15 is (D) 240. Subsets of {2,3,4,...
Real-world testing ensures you’re prepared for edge cases that automated tests might miss, like customers using non-standard addresses or unexpected product combinations. If everything works as expected and all potential issues are resolved, you’re ready to launch! Testing takes time, but it’...