Question 97

The total number of Natural numbers that lie between 10 and 300 and are divisible by 9 is

Solution

The first natural number between 10 and 300 which is divisible by 9 is 18

The last natural number which is divisible by 9 and is less than 300 is 297

This is an AP with first term 18, the last term 297 and common difference = 9

297=18+(n-1)9

279=(n-1)9

n-1 = 31

n=32

A is the correct answer.


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