Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 10 Answered

How do we find 6 arithmetic means between 15 and -15 ?
Asked by ayush.srivastava15102002 | 14 Feb, 2019, 10:04: AM
answered-by-expert Expert Answer
6 arithmetic means between 15 and -15 .
 
First term = 15, 8th term t8 = -15
 
Let d be the common difference
 
t8 = 15+7*d = -15    or   d = -30/7
 
hence A. P. :-    15,  15-(30/7),   15-2(30/7),....................,  15-6(30/7),  -15
Answered by Thiyagarajan K | 14 Feb, 2019, 10:24: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 10 - Maths
cot A - 1/ 2 - sec² = cot A / 1 + tan A
Asked by bhagvantingre | 24 Apr, 2024, 03:05: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
solve xdy-ydx=0
Asked by shaikafridi860 | 21 Apr, 2024, 11:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
if a is an acute angle and sec a = 17/8, find all other trigonometric rarios of angle a ( using trigonometric indentities).
Asked by aritramalakar4 | 13 Apr, 2024, 08:33: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
3√2x×x-5x-√2
question image
Asked by ashwanikaler9 | 11 Apr, 2024, 01:50: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
prove that
question image
Asked by botlarajshekhar | 22 Mar, 2024, 09:37: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
Mr. Gupta invested Rs. 33000 in buying Rs.100 shares of a company at 10% premium. The dividend declared by the company is 12% . Find: (a) the number of shares purchased by him. (b) his annual dividend
Asked by sagarmishra | 15 Mar, 2024, 03:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
 (a+b)²
Asked by dadoosumeksha | 13 Mar, 2024, 09:26: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
sheethal has a recurring deposit account in a bank and deposit rupees 300 and at rate of interest of 7℅ and recieved rupees 7725 on maturity, find the time which would the account will be held
Asked by jesnamariaroy2626 | 10 Mar, 2024, 11:28: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
if abc are in Continued proportion then prove that 3a2-4ab+5b2/3b2-4bc+5c2=a/c
Asked by vrj.parmar369 | 07 Mar, 2024, 11:27: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Maths
sole
question image
Asked by ronaldlhouvum | 22 Feb, 2024, 02:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×