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I also got (2) as answer. Either i’m wrong or answer typo. 😛

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Thanks all . Let me ask the teacher. My kid say many of her classmate got answer as 3 and they got it right. Its confusing me. I will keep all posted. Thanks so much, at least I know I am not missing anything! 

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Height = 10 -8 = 2cm

Length = 25 – 8  -2 = 15cm

Volume = 15 * 8 * 2 = 240 cm³

My answer also (2) not (3)

 

Note: Answer is (3) only when length = 17 cm, meaning 25 cm doesn’t include height, but in the diagram shown 25 cm inclusive of height, so (2) think correct answer.

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