Math, asked by ritvikraj987, 10 months ago

find the sum of all multiples of 6 lying between 350 and 850.

Answers

Answered by dhanalakshmis2524

0

Answer:

50148

Step-

a=348 d=6 l=846

n= ( l-a/d ) +1

(846-348/6)+1= 83+1 =84

Sn=n/2(a+l)

=84/2(348+846)

=42 x1194

=50148

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