India Languages, asked by alick5181, 7 months ago

Find the average of first eight multiples of 11 is

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Answered by RGBhoria

1

Answer:

11*(25+1)/2 = 11*26/2 = 11*13 = 143. 11+22+33+44+55+66+77+88+99+110+121+132+143+154+165+176+187+198+209+220+231+242+253+264+275 =3575....

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