Question

दो अंकों वाली कितनी संख्याएँ 3 से विभाज्य हैं?​

Answer 1

Answer:

30 two digit term divisible by 3

Step-by-step explanation:

first two digit term divisible by 3 =12

last two digit term divisible by 3=99

so to find number of terms

apply AP

an=a1 + (n-1)d

an=99

a1=12

d=3

99=12+(n-1)*3

99-12=(n-1)*3

87/3=n-1

29+1=n

n=30