- 1. किसी वस्तु की 42 रू: मैं बे�

1.	- 1. किसी वस्तु की 42 रू: मैं बेचने पर 4 की हानि हौतीTRRB. HIECT TIC - 2008]पर बया. गिरी।
Answer» Let Cost price = CPSelling price = SP As per given conditionSP = CP(1 - 40/100)40 = CP((1 - 2/5)40 = CP(3/5)CP = 405/3CP = 200/3 = 66.66 If SP = 80Then,Gain% = [(SP - CP)/CP]100= [(80 - 66.66)/66.66]100= (13.34/66.66)100= 20% Therefore,On selling item for Rs 80 there is profit of 20% profit of 20% when selling at RS 80

- 1. किसी वस्तु की 42 रू: मैं बेचने पर 4 की हानि हौतीTRRB. HIECT TIC - 2008]पर बया. गिरी।

Answer»

Let Cost price = CPSelling price = SP

As per given conditionSP = CP(1 - 40/100)40 = CP((1 - 2/5)40 = CP(3/5)CP = 40*5/3CP = 200/3 = 66.66

If SP = 80Then,Gain% = [(SP - CP)/CP]*100= [(80 - 66.66)/66.66]*100= (13.34/66.66)*100= 20%

Therefore,On selling item for Rs 80 there is profit of 20%

profit of 20% when selling at RS 80