12.On selling a computer 10Atricycle is sold at a gain of 15%. Had it

1.	12.On selling a computer 10Atricycle is sold at a gain of 15%. Had it been sold forăŚ108 more, the profit would have been 20% rcost price.3ld heve gained 6%
Answer» Let CP is x Gain%=gain100/CP 15=gain100/x15x=gain100 If, sold for 108 Rs more; New gain= (gain+108), profit %=20% 20=(gain+108)100/x20x=gain*100+1080020x=15x+108005x=10800x=2160 So cost price is 2160 Rs

12.On selling a computer 10Atricycle is sold at a gain of 15%. Had it been sold forăŚ108 more, the profit would have been 20% rcost price.3ld heve gained 6%

Answer»

Let CP is x

Gain%=gain*100/CP

15=gain*100/x15x=gain*100

If, sold for 108 Rs more; New gain= (gain+108), profit %=20%

20=(gain+108)*100/x20x=gain*100+1080020x=15x+108005x=10800x=2160

So cost price is 2160 Rs