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5th Class Mathematics Arithmetic Question Bank Arithmetic

  • question_answer
    \[10%\] of plants in a garden are pink rose plants, \[30%\] are red rose plants, \[40%\] are white rose plants and the remaining are jasmine plants. If there are \[400\] plants in the garden, how many jasmine plants are there in the garden?

    A) \[320\]                          

    B)                    \[80\]                

    C)                    \[400\]                          

    D)                    \[160\]              

    Correct Answer: B

    Solution :

    Total number of plants in the garden\[=400\] Percentage of jasmine plants\[=100%\]\[-\] Sum of \[%\] different colored of rose plants \[=100%-(10+30+40)%\] \[=100%-80%=20%\] Thus, \[20%\] of \[400\] plants are jasmine plants. The number of jasmine plants \[=20%\times 400=80\]


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