how may two digits - numbers are divisible by 3?
Answers
Answered by
1
Step-by-step explanation:
30
∴ Two digit numbers divisible by 3 = 30.
Answered by
0
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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