Question

There are two types of iron ores a and

b. ore a has 80% iron and b has 60% iron. the cost of 1 kg of ore a is rs. 1.50 and of ore b is rs. 1.20. (assume no other product except iron will come from the ore). if the processing cost of ore a is re. 1.00 to process 1 kg of ore, what should be the processing cost of ore b to process 1 kg of ore, so that both ores are same according to the economy

Answer 1

i think both weighs same