Math, asked by shaikasifahamed7417, 1 year ago

From your pocket money you save rs 1 on day 1 ,rs2 on day 2 ,rs3 on 3 day and so on how much money will you save in the month of march 2008

gabru78: given ap = 1,2,3,4........31. here t= 31. therefore tn=t31. rherefore sn=s31=? we know . sn=n/2 (t1+t2) , s31= 31/2 (1+31)= 31×32/2 = 992/2= rs 496 ans.

Answers

Answered by kethavathramsingh7

According to the above situation ,

Total number of days in March 2008=31

So, 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31

=496

So I can save Rs. too in the month of March 2008

I hope it will help you ☺

gabru78: solve this in form of ap.

Answered by Haya0494

Answer:

Step-by-step explanation:AP:1,2,3.....31

Sn=n/2 (2a+(n-1)d)

That's

S=31/2(2+30)

=496

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