How many three digit number are between 97 &201, which are divisible by 3?
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How many three digit number are between 97 &201, which are divisible by 3?
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AP : 102,105......198
Here, a=102;d=3;an=198;n=?
an=a+(n-1)d
198=102+(n-1)3
198-102/3=n-1
32+1=n
33=n
∴There are 33 numbers.
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