Math, asked by acsahksaju, 1 month ago

Find the sum of first five postive integer by divisible 5 options a 75 b 90 c 45 d 180

Answers

Answered by ameenabualkhair

1

Answer:

option a)75

Step-by-step explanation:

sn=n(a+an)/2

s5=5(5+25)/2

s5=5×30/2

s5=75

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