Hello Raman,
As far as your question is concerned , you need to first read the question carefully because many students will commit mistake in visualising the question.
The question says 3/5 of the 1/2kg has been eaten so the final part of the case eaten is 3/5×1/2 which is equal to 3/10 kg. So the total part which is left over is 1/2-3/10 = 2/10 kg which is equivalent to 1/5 kg.
Question : A trader had 1200 kg. of rice. He sold a part of it at 5% profit and the rest at 11% profit, so that he made a total profit of 7%. How much (In kg) rice did he sell at 5% profit?
Option 1: 900 Kg
Option 2: 600 Kg
Option 3: 400 Kg
Option 4: 800 Kg
Question : While baking a cake for 15 people, Jaya used 2.4 kg of flour. How much flour will she need to bake a similar cake for 36 people?
Option 1: 5.60 kg
Option 2: 6.00 kg
Option 3: 5.88 kg
Option 4: 5.76 kg
Question : Kamal has some apples. He sold 40% more than he ate. If he sold 70 apples, how many did he eat?
Option 1: 18
Option 2: 42
Option 3: 50
Option 4: 90
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