Question

How many two digit numbers are divisible by 3? ​

Answer 1

Answer:

12,15,18,21,24,27,30,...........etc..

Step-by-step explanation:

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Answer 2

ANS...300..

bcz three digit no start from 100 but 100 is not divisble so, 102 is divisible.

here is an A.P whose common diff. is 3 and first term and last term is 102 and 999 respectively..

so , an= a + (n-1)d

999 = 102 + (n-1) 3

999 - 102 = (n-1) 3

897 ÷ 3 =(n-1)

299 = (n-1)

n= 299+1= 300...