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Q. |
## The mean weight of 150 students in a class is 60 Kg. The mean weight of Boy students is 70 Kg and that of a girl students is 55 kg. Find the number of Boys and Girls in the class. |

A. | 50 and 100 |

B. | 100 and 50 |

C. | 150 and 200 |

D. | 200 and 150 |

Answer» A. 50 and 100 |

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