6 के प्रथम 10 गुणजों का योगफल ज्ञात कीजिए।
Find the sum of first 10 multiples of 6.
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Sum of numbers in a Sequence =
Where,N is the number of terms in sequence,a1 is The first term,an is the last term.
So,N=10
a1=6
an=60
Applying the formula
S nth =10(6+60)/2
=>10 x 66/2
=>10 x 33
=>330.
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