A cake is divided into 18 pieces. If Rehana takes 1/3rd of the cake and Rashed takes 1/3rd of the cake left, how many pieces are left?

A 8

B 6

C 4

D 10

Solution

Correct Answer: Option A

রেহানা কেক নেয় = 18 × (1/3) = 6 টুকরা 
বাকি রইল = 18 - 6 = 12  টুকরা 

রাশেদ কেক নেয় = 12 × (1/3) = 4 টুকরা 
অবশিষ্ট রইল = 12 - 4 = 8 টুকরা

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