Question

how many 2 digit numbers are divisible by 3?​

Answer 1

Answer:

There are 30, two digit numbers which are divisible by 3.

Answer 2

Step-by-step explanation:

First term of the A.P. = a1 = 12

Common difference of the A.P. = d = 15 - 12 = 3

Last term of the A.P. = 99

nth term of an A.P. is given by

an=a1+(n−1)d

Substituting the values in the above formula,

⇒99=12+(n−1)3

⇒(n−1)=

99−12

3

=29

⇒n=29+1=30

Hence there are 30, two digit numbers which are divisible by 3.

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