Question A Day May 6 : MATHS BY AMIYA - Videos

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1. If 5? +?? –?? = ?? and ?? – ?? +?? =? then what is the value of ?? −??+? ?

2. If ratio of MP:CP = 5:3 and ratio of %discount to % profit is 3:1 then find % discount.

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42 COMMENTS

  1. 1. 584/37
    as two equation can solve two variable put z=0 and we get x and y values.

    2. 33.3℅
    by taking m.p 5x and c.p 3x ,when we equate for getting s.p x is 3 and m.p 15 ,s.p 10 discount percentage will be 33.33%

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