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Answer to Q109

A man had 10⅔kg of onions and sold ⅔ of it. How much does he have left?

If 10kg is your answer, you are so wrong. The question didn't say he sold ⅔kg of the onions, he sold ⅔ of the entire onions.

So how much is ⅔ of 10⅔:
10⅔ = ³²⁄₃
⅔ of that
³²⁄₃ x ⅔
64 ÷ 9
= 7⅑

But wait, that's not what the question asked, the question was how much he had left, not how much he sold.

So how much he had left will be (10⅔ - 7⅑) or simply (⅓ of 10⅔) [you will arrive at the same answer either way].
so, ⅓ of 10⅔:
³²⁄₃ x ⅓
32 ÷ 9
= 3⁵⁄₉

Answer: 3⁵⁄₉

I spotted the error in the options after several people have voted so I decided to leave it in because whoever got the correct answer should know it was just an error.

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885 viewsedited  Nov 17, 2020 at 08:02

Answer to Q109

A man had 10⅔kg of onions and sold ⅔ of it. How much does he have left?

If 10kg is your answer, you are so wrong. The question didn't say he sold ⅔kg of the onions, he sold ⅔ of the entire onions.

So how much is ⅔ of 10⅔:
10⅔ = ³²⁄₃
⅔ of that
³²⁄₃ x ⅔
64 ÷ 9
= 7⅑

But wait, that's not what the question asked, the question was how much he had left, not how much he sold.

So how much he had left will be (10⅔ - 7⅑) or simply (⅓ of 10⅔) [you will arrive at the same answer either way].
so, ⅓ of 10⅔:
³²⁄₃ x ⅓
32 ÷ 9
= 3⁵⁄₉

Answer: 3⁵⁄₉

I spotted the error in the options after several people have voted so I decided to leave it in because whoever got the correct answer should know it was just an error.

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