6th Class Mathematics Mental Ability Question Bank Mental Ability

  • question_answer Rohit cut a cake into two halves and cut one half into smaller pieces of equal size. Each of the small pieces is thirty grams in weight. If he has 8 pieces of the cake in all with him, how heavy was the original cake?

    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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