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HPSC HCS 2021 · Question 104 of 177

A birthday baby cuts a cake into two halves and cuts one half into smaller pieces of equal size. Each of the small pieces is twenty grams in weight. If she has seven pieces of the cake in all with her, how heavy was the original cake?

Arithmetic

  1. A120 grams
  2. B140 grams
  3. C240 gramsCorrect
  4. D280 grams

Answer: C. 240 grams

Explanation

One half is cut into 6 pieces of 20 g (7 pieces total minus the uncut half), so a half weighs 120 g and the whole cake 240 g.

Source: HPSC HCS (Ex.Br.) Prelims Paper-II (CSAT) held 12-Sep-2021 (prepp.in compilation); answers per official HPSC answer key

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