Q:

A) 6/145 | B) 36/145 |

C) 18/95 | D) 12/145 |

Answer: B) 36/145

Explanation:

Explanation:

The probability that first ball is white: Since, the ball is not replaced; hence the number of balls left in bag is 29. Required probability =(25)×(1829) =36/145 |

0
309

1
656

Q:

A) 13x3 + 92x2 - 55x + 4 | B) 13x3 - 92x2 - 55x - 4 |

C) 13x3 + 92x2 + 55x - 4 | D) 13x3 - 92x2 + 55x + 4 |

1
548

Q:

A) 253.17 cubic cms | B) 228.84 cubic cms |

C) 143.26 cubic cms | D) 257.68 cubic cms |

0
505

Q:

A) (2,4) | B) (-2,-4) |

C) (2,-4) | D) (-2,4) |

1
609

Q:

A) increased in the ratio 55:63 | B) decreased in the ratio 63:55 |

C) increased in the ratio 45:77 | D) decreased in the ratio 77:45 |

0
594

0
633

2
666