Sarita cuts a cake into two halves and cut one-half into smaller pieces of equal size. Each of the small pieces is twenty five grams in weight. If she has eleven pieces of the cake in all with her, how heavy was the original cake?
A
700 gm
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B
400 gm
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C
300 gm
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D
200 gm
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Solution
The correct option is C 300 gm Eleven pieces consist of 10 smaller equal pieces and one half cake piece. Weight of half piece with ten small pieces of weight 25 grams each =25×10=25×10 g i.e. 250 grams ∴∴ Total weight of the cake =2×250grams=2×250grams i.e. 500 grams.