【题目】How many 2-digi tnumbers ar ethere such that the sum of the digits is divisible by3 and no repeated digits are used?【题目】How many 2-digi tnumbers ar ethere such that the sum of the digits is divisible by 相关知识点: ...
How many 4-digit numbers, which is divisible by 33, can be formed by using 1, 2, 3, 4, 5 and 6 with no repeating digits?相关知识点: 试题来源: 解析 16. 设该四位数为 ¯¯¯¯¯¯¯¯¯¯abcd, 若¯¯¯¯¯¯¯¯¯¯abcd 能被33整除, 即a+c=b+...
How many three-digit numbers that are divisible by 5, can be formed, using the digit 0,2,3,5,7, if no digit occurs more than once in each number? View Solution Exams IIT JEE NEET UP Board Bihar Board CBSE Free Textbook Solutions ...
How many (i) 5- digit (ii) 3- digit numbers can be formed by using 1,2,3,4,5 without repetition of digits. View Solution How many 5 digit numbers divisible by 3 can be formed using the digits 0, 1, 2, 3, 4 and 5, without repetition?
Rule: A number is divisible by 3 if thesum of its digitsis divisible by 3. 375, for instance, is divisible by 3 since sum of its digits (3+7+5) is 15. And 15 is divisible by 3. NumberExplanation 121+2=31+2=3and 3 is divisible by 3. ...
How many 4-digit positive integers (that is, integers between 1000 and 9999, inclusive) having only even digits are divisible by 5?在4位正整数(即1000和9999之间的整数 ·包括1000和9999)有多少个数满足每一位数都是偶数,并且可以被5整除?
To test if a number is divisible by three, you add up the digits of the number. 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...
Answer to: How many six-digit numbers can be formed with the first three digits odd and the last three digits even if repetition of digits is not...
How many four-digit numbers are there formed from the digits 1, 2, 3, 4, 5 (with possible repetition) that are evenly divisible by 4?Divison RuleA two or more digit number is divisible by 4 if the last two digits of the number a...
How many 7-digit number can be formed using the digits 1,2,0,2,4,2 and 4? View Solution Consider all10digit numbers formed by using all the digits 0, 1, 2, 3,…, 9 without repetition such that they are divisible by 11111, then ...