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Find the sum of all 2 digit natural numbers which are divisible by 3 |
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Answer» But i get another answer while doing full Sn formula V should find the sum also The A.P will be be 12,15,18________99D=a2-a1=15-12=3L=a+(n-1)d99=12+(n-1)399-12/3=n-187/3=n-129+1=n30=nThere are 30 digits no. divisible by 3 |
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