Math, asked by priyanka10th, 1 year ago

find the sum of 15terms of the A.p 8,7 1/4,6 1/2, 5 3/4........

Answers

Answered by ruchijain3112

3

Answer:

a=8

d=3/4. n=15

sum=15/2(16+14*3/4)

sum=15/2(53/2)

sum =198.75

Previous Question

Next Question

Similar questions

Math, 6 months ago

For a dealer in a consignment of raincoats, the probability of getting a profit of Rs 1500 is 0.6, the probability of getting a loss is 0.3 & the probability of getting no profit or no loss is 0.1. The mean profit of the dealer is a) 300 b) 500 c) 600 d) 900...

Math, 6 months ago

The sum of 5th and 9th terms of an ap is 30 if its 25th term is three times its 8th term find the AP.

Science, 6 months ago

What effect does the pH of water have on radish seed germination? Bet you can't answer correctly.

Social Sciences, 1 year ago

why we educate women ? essay...

India Languages, 1 year ago

who is Gandhi Ji and Indira Gandhi...

History, 1 year ago

life-ways of palaeolithic hunter-gatherers...

Biology, 1 year ago

chemical name of water...

Science, 1 year ago

on what basis and how will you determine whether arey saturated with vapour or not...