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Question

What is the ratio of the boys doing their PG in Mathematics and the number of girls doing their PG in Botany?

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Solution

The correct option is **C** 5 : 6

Number of boys =900×59=500

Number of girls =900−500=400

__Zoology,__

Girls=400×15=80

Boys =180−80=100

__Statistics,__

Girls=400×14=100

Boys=32×100=150

__Botany,__

Boys=500×15=100

Girls =220−100=120

__Mathematics,__

Girls =150×13=50

Boys =100

__Physics,__

Boys =50

Girls =50

Required ratio =100:120=5:6

Number of boys =900×59=500

Number of girls =900−500=400

Girls=400×15=80

Boys =180−80=100

Girls=400×14=100

Boys=32×100=150

Boys=500×15=100

Girls =220−100=120

Girls =150×13=50

Boys =100

Boys =50

Girls =50

Required ratio =100:120=5:6

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