Math, asked by mukundaramulu44, 1 month ago

in the series 5+7+9+....+43, if a20=43, then S20 is

Answers

Answered by s7b1573robin7088

6

Answer:

64

Step-by-step explanation:

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Answered by umamanjunath05

16

correct ans is 480

Step-by-step explanation:

Sn=n÷2(a+l)

S20=20÷10(5+43)

S20=10×48

S20=480

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