A) 420 grams
B) 240 grams
C) 280 grams
D) 320 grams
Correct Answer: A
Solution :Eight pieces of cakes means one half cake and seven pieces of another half cake. Total weight of 7 small pieces\[=7\times 30=210g\] \[\therefore \]Weight of the half cake\[=210\,\,g\] Total weight of cake\[=420\,\,g\]
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