Arithmetic Progression: Sum of First n Terms

Arithmetic Progression: Sum of First n Terms

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Wayground Content

FREE Resource

The video tutorial compares the money received by Sam and Sailor over 30 days. Sam receives money in an arithmetic progression, while Sailor receives a lump sum. The tutorial explains how to calculate the sum of an arithmetic progression to determine who has more money. It also derives the general formula for the sum of the first N terms of an arithmetic progression.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who receives money in an arithmetic progression?

Neither Sam nor Sailor

Both Sam and Sailor

Sam

Sailor

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much money does Sam have after 30 days?

₹450

₹465

₹500

₹400

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the first 30 terms of Sam's savings?

500

465

450

400

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first term in the general formula for the sum of an arithmetic progression?

L

N

A

D

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the formula for the sum of an arithmetic progression, what does 'L' represent?

The first term

The number of terms

The common difference

The last term