kyyyyy1948 kyyyyy1948
  • 28-09-2017
  • Mathematics
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11+22+33+...+1010 is divided by 5. what is the remainder? (a) 0 (b) 1 (c) 2 (d) 3 (e) 4

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Аноним Аноним
  • 28-09-2017
adding the last digits 1+2+3+4+5+6+7+8+9+0  = 45

so the sum will end in 5    so its divisible by 5 and the remainder will be 0 

It (a)
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