Cpt acc prb:urgent

Please clear these doubts

Q  a & b have psr 5:3 ,they admitted  c giving 3/10^th share of profit . if  c  acquires 1/5^th share from a and 1/10^th  from b ,new psr will be

a.5:6:3  b.2:4:6    c.18:24:38    d.17:11:12

Q    value of physical stock on 15.4.2010 was 3,00,000.....Sales amounting  to1,00,000 and purchase worth 50,000 were held between 31.3.2010 and 15.4.2010.Goods are sold at a profit of 20% on sales. Value of inventory as on 31.3.2010 is

a.3,50,000    b.2,70,000      c.3,30,000      d.3,00,000

Q.   on 31^st march 2009 Suraj had to pay Chandra Rs 7,000 on account credit purchase from later.....He paid 1,800 on 30^th sept 2009  after availing cash discount of 10% . ......on 30^th sept 2009 he paid Rs 2,850 after availing 5% cash discount .....on account of final settlement .......amount to be paid by suraj without any discount will be

a.2,350                 b.2,000            c.2,200                           d.2,150