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  • find the sum of all three digit numbers divisible by 7?
Multiple choice

find the sum of all three digit numbers divisible by 7?

  1. 70336

  2. 70342

  3. 70200

  4. 70350

  5. 70340

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A Correct answer
Explanation

first term 105, last term 994common difference 7, total number of terms= [(994-105)/7]+1=128sum of all terms= [128x(994+105)]/2=70336

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