How many 3 digit no. are divisible by 11?
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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
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
Brainergy:
The ans is great... Deserves to be marked as brainliest
Did you do it using AP formulae
I actually wanted it using AP formulae by it's ok...I'll do it myself!!!
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