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How many 2 digit numbers are …

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How many 2 digit numbers are divisible by three, 3 times?

Posted by Koushik Dutta 5 years, 7 months ago

CBSE > Class 07 > Mathematics

1 answers

K.Hemanth Kumar 5 years, 7 months ago

The last of two digit number are divisible By 3is: 12,15,18,•••,99 It is an AP with A=12 D=3 an=99 An=a+(n-1)×3 87=(n-1)×3 n+1=87/3=29 N=29+1=30 So, there are 32digit no divisible by 3

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Posted by Shree Vanshika Reddy Reddy 3 months ago

CBSE > Class 07 > Mathematics