Math, asked by nivaspraneethpel7be, 1 year ago

Find the sum of all two digit natural numbers which when divided by 3 yield 1 as reminder

Answers

Answered by sprao534
7
13+16+19+.......+97. These are 29 terms
Sum =29/2[26+28*3]
=29/2[110]
=1595
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