From (1), least value of n (Xn Y)= 1170- 1000= 170. ... Find the number of students who have taken both mathematics and biology and the number of those who have taken biology but ... Then, A-B-{x x speaks Hindi and can not speak Bengali}.

Title | : | A Text Book of Mathematics XI |

Author | : | Prof. K.C. Sinha |

Publisher | : | Rastogi Publications - |

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