Ask a Doubt
Request a call back

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

ICSE Class 7 Answered

two numbers are in the ratio  7 is to 8.if 4 is added to both of them ,the resulting numbers are in the ratio 8 is to 8 is to 9.find the numbers.
Asked by krashokan2018 | 26 Oct, 2018, 08:01: PM
answered-by-expert Expert Answer
begin mathsize 18px style let space the space number space be comma space straight x space and space straight y straight x over straight y equals 7 over 8 8 straight x minus 7 straight y equals 0..... eqn.1 fraction numerator begin display style straight x plus 4 end style over denominator begin display style straight y plus 4 end style end fraction equals fraction numerator begin display style 8 end style over denominator begin display style 9 end style end fraction 9 straight x plus 36 equals 8 straight y plus 32 9 straight x minus 8 straight y equals negative 4..... eqn.2 solve space eqn.1 space and space eqn.2 space simutaneously. end style
Answered by Arun | 29 Oct, 2018, 10:42: AM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 7 - Maths
express 24/-64 in standard form
Asked by rupabharakhda2018 | 04 Jul, 2022, 06:04: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
what is fraction
Asked by smitasrivastava18454 | 11 May, 2021, 09:09: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
what is meant by fraction
Asked by ranjanclw1979 | 28 Jan, 2021, 09:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
how to convert 75:1000 =
Asked by srishaa510 | 10 Jan, 2021, 10:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
What is meant by fraction ?
Asked by 02vedikagawande | 06 Jan, 2021, 11:55: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
convert the given frations into frations with equal denominator 2by3 5by6 and 7 by12
Asked by yukthap17 | 23 Nov, 2020, 08:06: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
7/10+2/5+3/2
Asked by bebigondi11 | 20 Oct, 2020, 08:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
2/3 + 3/4 = ?  As per my calculations, it should be 17/12. However, the answer to this was shown as 17/8 in the important questions section.  Kindly clarify
Asked by redijsonali | 05 Sep, 2020, 10:37: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
1/3 of 12
Asked by lakshmisaritha89 | 01 Sep, 2020, 06:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
2/3+3/4
Asked by mshubhmittal | 20 Aug, 2020, 07:56: 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
×