Math, asked by annzel7622, 11 months ago

Find the sum of all 3 digits no. Which are multiplr of 11

Answers

Answered by ayushsaxena2
0

Answer:

Step-by-step explanation:

i knew it but it is too long


Ravleen03: Multiple of 11 are 22,33,44
Ravleen03: Sn=n/2(2a+(n-1)d)
Ravleen03: S3=3/2(2.22+(3-1)d
Ravleen03: S3=3/2(44+22)
Ravleen03: S3=3/2×66
Ravleen03: S3=99
Answered by Ravleen03
0

Answer:99

Step-by-step explanation:Multiple of 11 are 22,33,44

Sn=n/2(2a+(n-1)d)

S3=3/2(2.22+(3-1)d

S3=3/2(44+22)

S3=3/2×66

S3=99

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