Question

how many two digits are divisible by 3​

Answer 1

Answer:

An arithmetic progression (A.P) is a progression in which the difference between two consecutive terms is constant. ∴ Two digit numbers divisible by 3 = 30.

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Answer 2

Answer:

    30 two digits - numbers

Step-by-step explanation:

We can solve this using arithmetic progression

first two digit no divisible by 3 - a = 12

last two digit no divisible by 3 - aₙ = 99

difference between consecutive terms - d = 3

no of terms = n

aₙ = a + d(n - 1)

99 = 12 + 3(n - 1)

3(n - 1) = 99 - 12

3(n - 1) = 87

n - 1 = 87 / 3

n - 1 = 29

n = 30

∴ 30 two digits - numbers are divisible by 3  

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