1.

The Cost Price Of 20 Articles Is The Same As The Selling Price Of X Articles. If The Profit Is 25%, Then The Value Of X Is?

Answer»

LET the cost PRICE of 1 article be Z.

So, the cost price of 20 article = 20z ------------------------- (1)

Selling Price of 20 articles = 20z + 25% of 20z = 25z

=> Selling Price of 1 article = 25z/20 = (5/4) *z

=> Selling Price of x articles = (5/4) *z*x ------------------------- (2)

GIVEN that Selling Price (S.P.) of x articles = Cost Price (C.P.) of 20 articles

=> (5/4) *z*x = 20z

=> x = 16.

Let the cost price of 1 article be z.

So, the cost price of 20 article = 20z ------------------------- (1)

Selling Price of 20 articles = 20z + 25% of 20z = 25z

=> Selling Price of 1 article = 25z/20 = (5/4) *z

=> Selling Price of x articles = (5/4) *z*x ------------------------- (2)

Given that Selling Price (S.P.) of x articles = Cost Price (C.P.) of 20 articles

=> (5/4) *z*x = 20z

=> x = 16.



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