Arithmetic Progression Class 10 Important Questions | CBSE Class 10 Maths Chapter 5 (Term-2)

In this video, you will find the session on the 10 Most Important NCERT Questions for Term 2 Exams from Arithmetic Progression - Class 10 Maths Chapter 5. If you want to ace the exam with a perfect strategy and complete the revision of the class 10 Maths syllabus, then start revising all the NCERT important questions. Check out the complete session and boost your score for CBSE Class 10 Term-2 Board Exams

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00:00 Introduction
2:55 International Pi Day 14th March
4:22 1st Question
8:21 Circumference
9:08 2nd Question
15:05 Basic components of human life - DNA
16:46 3rd Question
19:18 Principles of Pi
20:18 4th Question
24:38 Yields the Circumference
25:13 5th Question
31:11 There are no zeros in the first 31 digits of Pi.
31:25 6th Question
33:05 The first million digits of pi
33:45 7th Question
39:02 A circle has infinity corners
39:31 8th Question
44:51 Albert Einstein was born on March 14th, 1879
45:43 9th Question
47:54 10th Question
49:39 The Greak letter pi is the first letter of the word periphery and perimeter.
50:15 11th Question
51:19 12th Question
56:23 Homework Question
56:41 All India Mock Board Exam - Term II
59:45 Upcoming Session

#ArithmeticProgression #ArithmeticProgressionClass10 #NcertQuestions #Class10Maths #ByjusClass10 #CbseClass10 #CBSETerm2 #Term2Preparations #ScoreBooster #Class10Term2 #Byjus #Liveclasses #Onlineclasses

[fenilsata]

Answer Of Homework Questions = 160, 140, 120, 100, 80, 60, 40

Explanation :
Sum = 700
No. Of terms = 7
Common Difference = - 20

S = n/2 ( 2a + (n - 1) × d )
700 = 7 / 2 ( 2a + (6) × -20 )
1400/7 = 2a - 120
200 + 120 = 2a
320 = 2a
a = 160

Now, As common Difference is -20
We get,
A2 = a + d = 160 - 20 = 140
A3 = a + 2d = 160 - 40 = 120
A4 = a + 3d = 160 - 60 = 100
A5 = a + 4d = 160 - 80 = 80
A6 = a + 5d = 160 - 100 = 60
A7 = a + 6d = 160 - 120 = 40

[shivanshusoni]

40:20
Mam this question is from reduced syllabus
Apart from this, session was osm👍🏻

[raheemaj]

10:57 how to find the term without laying out and counting like this since in exam this will be both confusing and time consuming and what if they give a big number? we can't count like this, so is there any shortcut ma'am?

[puneet_kaur]

Homework answer:
160, 140, 120, 100, 80, 60, 40
By applying formula of Sn=n/2(2a+(n-1)×d

[nikeshmadavi]

Homework Answer :-
Given, Sn = 700, n = 7 and d = 20
So apply formula of Sn
We get a = 40 which is prize for last student
So Ans is 160, 140, 120, 100, 80, 60, 40

[shraddhagupta]

160, 140, 120, 100, 80, 60, 40, are the cash prices.

[aditidutta]

Homework Answer:160, 140, 120, 100, 80, 60, 40..

[muraleedharana]

The total sum(Sn) is 700 Rs
Decremented by 20 Rs
total number of prizes(n) = 7
Sn = n/2[2a+(n-1)d]
700 = 7/2[2a + 120]
200 = 2a +120 which leads to a = 40 Rs. Therfeore, the prize amounts are 40Rs, 60Rs, 80Rs, 100Rs, 120Rs, 140Rs, 160Rs :)

[devansh]

Home work 160, 140, 120, 100, 180, 60, 40 write aur wrong mam

[charviparkar]

Homework answer:
AP: x, x-20, x-40....
S7=700 n=7
S7= 7/2[2x+6(-20)]
700×2/7=2x-120
200+120=2x
320=2x
x=160
Therefore prices of gifts are ₹160, ₹140, ₹120, ₹100, ₹80, ₹60 and ₹40
Thanks for the session ma'am 😊

[bhagyavardhan]

ANSWER TO HOMEWORK QUESTIONS
Sum = 700
d = -20
n = 7
Formula used => n/2 {2a + (n-1)d }
700 = 7/2 { 2a + (6)(-20) }
700 × 2/7 = {2a - 120 }
200 = 2a -120
320 /2 = a
a => 160
AP = 160, 140, 120, 100, 80, 60, 40 => Answer

[parimultani]

Mam is potato question (last question) in syllabus as in reduced syllabus it is mentioned, " application based on sum of n terms is excluded" please please tell

[shaliniyadav]

Answer of the homework question :- 160, 140, 120, 100, 80, 60, 40

[sakshithakkar]

Can we prefr rdsharma for maths standard

[rajag]

mam in 6th question why not we are using Sn formula

[nityakumari]

Mam practical questions not in syllabus ...

[tabendram]

can pls byjus do a video that can explain NCERT book line by line explanation it would be very much useful for all

[gunguntagore]

HOMEWORK ANSWER: 160, , 140, , 120, , 100, 80, 60, 40
Sorry mam today I am not able to take class but I watched recorded session AMAZING 👍🏻