Q:

A) 3 cm | B) 1.5 cm |

C) 1 cm | D) 2.5 cm |

Answer: C) 1 cm

Explanation:

Explanation:

Let, inner radius of cylinder be ‘x’ cm.

4/3 π(6)3 = π × 32 (52 − x2)

or, (4 × 6 × 6 × 6) / (3 × 32) = 25 − x2 or, x2 = 25 − 9

or, x = 4 cm

Hence, thickness = 5 – 4 = 1 cm.

Q:

A) Only conclusion I follows | B) Only conclusion II follows |

C) Both conclusions I and II follow | D) Neither conclusion I nor conclusion II follows |

1
232

0
572

1
823

Q:

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

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

1
802

Q:

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

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

0
645

Q:

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

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

1
805

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
787

0
797