How many three digits number divisible by 11
ankit2842:
it will be solved by A. P. ......formula is a +(n-1)d........where a is first three digit no. divisible by11 .d is common difference and we have to find n........ this equation equels to last three digit no divisible by 11
111+(n-1)11=990
Answers
Answered by
3
How many three digit numbers are divisible by 11?
Solution:
Step 1 :
The smallest three digit number = 100
The largest three digit number = 999
Step 2 :
Let us find number of numbers divisible by 11 from 1 to 999
Divide 999 by 11 --------------> 999/11 = 90.82
Therefore number of numbers divisible by 11 from 1 to 999 = 90
Step 3 :
Let us find number of numbers divisible by 11 from 1 to 99
Divide 99 by 11 --------------> 99/11 = 9
Therefore number of numbers divisible by 11 from 1 to 99 = 9
Step 4 :
Number of numbers divisible by 11 (1 to 999) =90
Number of numbers divisible by 11 (1 to 99) =9
Number of numbers divisible by 11 (100 to 999)
= 90 - 9
= 81
Therefore, number of three digit numbers (100 to 999) which are divisible by 11 is 81
Hope this help you
Solution:
Step 1 :
The smallest three digit number = 100
The largest three digit number = 999
Step 2 :
Let us find number of numbers divisible by 11 from 1 to 999
Divide 999 by 11 --------------> 999/11 = 90.82
Therefore number of numbers divisible by 11 from 1 to 999 = 90
Step 3 :
Let us find number of numbers divisible by 11 from 1 to 99
Divide 99 by 11 --------------> 99/11 = 9
Therefore number of numbers divisible by 11 from 1 to 99 = 9
Step 4 :
Number of numbers divisible by 11 (1 to 999) =90
Number of numbers divisible by 11 (1 to 99) =9
Number of numbers divisible by 11 (100 to 999)
= 90 - 9
= 81
Therefore, number of three digit numbers (100 to 999) which are divisible by 11 is 81
Hope this help you
Answered by
1
the number of 3 digit number divisible by 11 is 81
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