1.  Aruna cut 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?
A. 100 grams
B. 150 grams
C. 200 grams
D. 240 grams

Answer: Option D

Explanation:

The seven pieces consist of 6 smaller equal pieces and one calf cake piece.
Weight of each small piece = 20 g.
So, total weight of the cake = [2 × (20 × 6)]g = 240g.