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CBSE Class 9 Answered

If class mark is 10 and class width is 6 then find the class  
Asked by Vvirattiger2003 | 02 Apr, 2019, 04:53: AM
answered-by-expert Expert Answer
let space the space class space be comma space straight y space minus space straight x
fraction numerator straight x plus straight y over denominator 2 end fraction equals 10
straight x plus straight y equals 20
straight y minus straight x equals 6
2 straight y equals 26
straight y equals 13
straight x equals 7
so space the space class space is space 7 space minus space 13
Answered by Arun | 02 Apr, 2019, 09:34: AM
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