Determine the A.p whose third term is 16 and the difference of 5th from 7th term is 12?

Asked by Last Modified  

1 Answer

Learn Class IX-X Tuition +2 Arithmetic Progression Mathematics

Follow 0
Answer

Please enter your answer

Chandan Singh

Tutor

an= a+(n-1)d an=10+(30-1)*(-3) =10-87=-77 30th term is -77 a + (3 ? 1) d = 16 a + 2d = 16 ... (i) a7 ? a5 = 12 ? = 12 (a + 6d) ? (a + 4d) = 12 2d = 12 d = 6 From equation (i), we get, a + 2 (6) = 16 a + 12 = 16 a = 4 Therefore, A.P. will be 4, 10, 16, 22, …
read more
an= a+(n-1)d an=10+(30-1)*(-3) =10-87=-77 30th term is -77 a + (3 ? 1) d = 16 a + 2d = 16 ... (i) a7 ? a5 = 12 [a+ (7 ? 1) d] ? [a + (5 ? 1) d]= 12 (a + 6d) ? (a + 4d) = 12 2d = 12 d = 6 From equation (i), we get, a + 2 (6) = 16 a + 12 = 16 a = 4 Therefore, A.P. will be 4, 10, 16, 22, … read less
Comments
Dislike Bookmark

Related Questions

A bag contains 10 red, 5 blue and 7 green balls. A ball is drawn at random. Find the probability of this ball being not a blue ball.
Total ball is 22. probability of 1 balls is drawn of 22 balls = 22c1 probability of no blue ball = 10c1+7c1/22c1 Ans is 17/22 Thank you.
Muskaan
0 0
View Comments6
I need students for maths coaching of class IX,X,XI & Dip. Engg.
mee too
Roop Narayan
3 0
View Comments9
If X to the power of X = 2 to the power of 11 then the value of X is ?
X^X = 2^11 = 2048 =4.837^4.837 or (4.837 to the power of 4.873). Hence Value of X = 4.837 (approx)..............
J.P N.
How do the medium and large farmers obtain capital for farming? How is it different from the small farmers?
The medium and large farmers have their own savings from farming or the produce they would have done to meet the requirements of the future farming. On the other hand, small farmers have to borrow money...
Kamal
0 0
View Comments7
"प्रवेशं दापयितुम् सफलो जातः" what is the meaning of this line ?
The entrance is successfully opened to go.
Renu

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Sandhi (संधि)
सन्धि (सम् + धि) शब्द का अर्थ है 'मेल' या जोड़। दो निकटवर्ती वर्णों के परस्पर मेल से जो विकार (परिवर्तन) होता है वह संधि कहलाता है। संस्कृत, में परस्पर स्वरो या वर्णों के मेल से उत्पन्न विकार को सन्धि...

Arun

2 1
View Comments0
Computer Worksheet For Grade I/II
Chapters: How Does a Computer Work And Starting Up And Shutting Down: 1. Write T for True and F for False: CPU is the brain of the computer. The CPU has a device called the Pen drive. Switching...

Preethi Vinitha W.

0 0
View Comments0
What is an Assets ?
Assets are sometimes defined as resources or things of value that are owned by a company. Some examples of assets which are obvious and will be reported on a company's Balance Sheet include: cash, accounts...

Dev Group

1 0
View Comments0
Centroid of a triangle
If coordinates of two vertices (x1,y1) and (x2,y2)of a triangle is given and coordinates of centroid(a,b) of a triangle is given then coordinates of third vertex(x3,y3) can be found out as (3*a-x1-x2, 3*b-y1-y2) Because cordinated of centroid is

Amit

0 0
View Comments0
Vedic Mathematics for Multiplication of two 2-digited special numbers
In case of two 2-digited numbers whose digits in 10's place are same and sum of the digits in unit places is 10 For example:- 38 and 32 (10's place digits are equal and 8+2=10) 38×32 can be found...
N

Naimish K.

0 0
View Comments1

Recommended Articles

Meet Raghunandan.G.H, a B. Tech Tutor from...

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Meet Sandhya R, a B.Sc tutor from Bangalore

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Quest Academy - Institute of the month

Quest Academy is a professional Bangalore based NEET and JEE (Main + Advanced) training institute. The academy was incorporated in 2015 to cater to the needs of students, who aim to crack competitive exams by connecting with the best brains around. The institute helps students enhance their skills and capabilities through...

Read full article >

Meet Swati, a Hindi Tutor from Bangalore

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Find Class 10 Tuition near you
Class 10 Tuition in Delhi
Class 10 Tuition in Bangalore
Class 10 Tuition in Hyderabad
Class 10 Tuition in Kolkata
Class 10 Tuition in Mumbai
Class 10 Tuition in Chennai
Class 10 Tuition in Pune
Class 10 Tuition in Lucknow
Class 10 Tuition in Noida
Class 10 Tuition in Jaipur
Online Tuition Class 10

Looking for Class 10 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you