7. If the C.P. of 6 articles is equal to the S.P. of 4 articles, find

1.	7. If the C.P. of 6 articles is equal to the S.P. of 4 articles, find the gain per cent.lla tham at 8 for3, find his gain per cent.
Answer» Let cost price of 1 article be 1 rupeethen , cost of price of 4 articles = 4 rs cost of 6 articles = sp of 4 articles = 6 rs gain = sp - CP=> gain = 6-4 => 2 rs gain % = gain/cp × 100=> gain % = 2/4×100=> gain % = 50%

7. If the C.P. of 6 articles is equal to the S.P. of 4 articles, find the gain per cent.lla tham at 8 for3, find his gain per cent.

Answer»

Let cost price of 1 article be 1 rupeethen , cost of price of 4 articles = 4 rs

cost of 6 articles = sp of 4 articles = 6 rs

gain = sp - CP=> gain = 6-4 => 2 rs

gain % = gain/cp × 100=> gain % = 2/4×100=> gain % = 50%