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CBSE Class 10 Answered

L-4 QUADRATIC EQUATIONS (RD EX:4.9, Pg.4.9)-2
Asked by | 28 May, 2008, 05:17: PM
Expert Answer

Let the number of marbles with John = x

Then,the number of marbles with Jivanthi = 45-x

                              (x-5)  * (45-x-5)    =   124

                              (x-5)(40-x)            = 124

                              x2 - 45 x + 324   =  0

                             (x-9)  *  (x  - 36)   = 0

                             x = 9 or x = 36.

If John has 9 marbles,then,Jivanti has 36 marbles.

 

 

 

Answered by | 26 Jul, 2008, 03:08: PM
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