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How many two digits no.are divisible …

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How many two digits no.are divisible by 3 from ch 5
  • 2 answers

Mariya Khatoon 6 years, 5 months ago

30

Nm ???? 6 years, 5 months ago

So the ap will be 12,15,18.......99 An=99 ,a=12 d=15-12=3 An=a+(n-1)d 99=12+(n-1)3 99=12+3n-3 99=9-3n 99-9=3n 90=3n 90÷3=n 30=n There r 30 no.which r divisible by 3
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