Math, asked by hibbu2792, 10 months ago

Find the sum of first 15multiples of 8

Answers

Answered by Anonymous

12

Answer:

AP:8,16,24,.........

a=8

d=16-8=8

n=15

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

S15=15/2(2*8+(15-1)8

=15/2(16+(14)8)

=15/2(16+112)

=15/2*128

=15*64

=960.

⚡Hope it will help you.⚡

Previous Question

Next Question

Similar questions

Physics, 5 months ago

high energy α -particle collides with a 7N14 nucleus to produce a 8O17 nucleus. What could be the other products of this collision? a γ -photon alone a γ -photon and a β -particle a γ -photon and a neutron a γ -photon and a proton...

English, 5 months ago

the half of the end Circle all the abstract nouns that you can find 1. The monkeys on that tree are showing a lot of curiosity about the shop. 2. The children are laughing at the playfulness of the monkeys. 3. These animals have intelligence like humans 4. The king of the jungle is concerned about the happiness of all anime 5. The monkeys show their enthusiasm by swinging on trees and eating...

English, 5 months ago

is brainlist is good??

Science, 10 months ago

Why sportsmen use shoes with spikes ?

Social Sciences, 10 months ago

What are the challenges for sustainable development in Nepal?

Economy, 11 months ago

Diff between seasonal and disguised uemployment...

Economy, 11 months ago

When talking about economic resources, capital refers to which of the following?

Economy, 11 months ago

whats do you mean by development of regulatory mechanism ?