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6. A fruit seller purchases oranges at the rate of 3 for Rs.5 and sells them at 2 for Rs. 4. His profit is –
(a) 10%
(b) 11%
(c) 20%
(d) 25%
7. A dealer professing to sell his goods at C.P., uses a 900 gm weight for a kg. His gain percent is?
(a) 9%
(b) 10%
(c) 11%
(d) 100/9%
9. A sells a bicycle to B at a profit of 20% and B sells it to C at a profit of 25%. If C pays Rs. 1500, What did A pay for it?
(a) Rs. 825
(b) Rs. 1000
(c) Rs. 1100
(d) Rs. 1125
10. Two mixers and a T.V. costs Rs. 7000, while 2 T.Vs and a mixer cost Rs. 9800. The value of one T.V. is?
(a) Rs.2800
(b) Rs.2100
(c) Rs.4200
(d) Rs.8400