Math, asked by gohilpradeep001, 1 year ago

Find the sum of all three digit number which are divisible by 45.

Answers

Answered by nischaykondai27

0

Smallest 3 digit number divisible By 45 is 135 ; Largest 3 digit number divisible By 45 is 990

There fore Sn = n/2(A+An)

= S22= 11(135+990)

S22=11*1125= 12375

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