interesting mixture problem

MBA CAT 2023
1

If five varieties of rice, costing र10/kg, र20/kg, र30/kg, र40/kg and र50/kg, are mixed in the ratio a : 2a : b : 2b : a + _b_respectively, and the mixture is sold at र30/kg, then which of the following can never be the profit/loss obtained…

2

If five varieties of rice, costing र10/kg, र20/kg, र30/kg, र40/kg and र50/kg, are mixed in the ratio a : 2a : b : 2b : a + brespectively, and the mixture is sold at र30/kg, then which of the following can never be the profit/loss obtained?


1) 21%loss
2) 1% loss
3) 21%profit
4) 1%profit