Q:

A) 32 rolls | B) 54 rolls |

C) 108 rolls | D) 120 rolls |

Answer: D) 120 rolls

Explanation:

Explanation:

Number of cuts made to cut a roll into 10 pieces = 9.

Therefore, Required number of rolls = (45 x 24)/9 = 120.

Q:

A) 9, 0, 3 | B) 1, 3, 8 |

C) 7, 0, 1 | D) 2, 4, 1 |

Answer & Explanation
Answer: C) 7, 0, 1

Explanation:

Explanation:

0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |

0 | 1 | 4 | 8 | 2 | 6 | 5 | 7 | 3 | 9 |

Here pairs interchanged are

2, 4

3, 8

5, 6

Unchanged are 0, 1, 7, 9

4
106

Q:

A) 0 | B) 3030 |

C) 3003 | D) 2997 |

6
143

Q:

A) 6 | B) 10 |

C) 9 | D) 30 |

Answer & Explanation
Answer: B) 10

Explanation:

Explanation:

175760 =2³ x 2 x 5 x 13³

= 2³ x 2 x 5 x 13³

To make perfect cube, it must be divided by 2 x 5 = 10

2
206

Q:

A) 27 | B) 24 |

C) 21 | D) 42 |

Answer & Explanation
Answer: B) 24

Explanation:

Explanation:

Let the numbers be 3x, 3x + 3 and 3x + 6.

Then,

3x + (3x + 3) + (3x + 6) = 72

9x = 63

x = 7

Largest number = 3x + 6 = 27.

=> Second largest number = 27 - 3 = 24

1
334

Q:

A) 188 million | B) 166 2/3 million |

C) 192 3/4 million | D) None |

Answer & Explanation
Answer: B) 166 2/3 million

Explanation:

Explanation:

5% - 2% = 3%

=> 3% ------ 5 million bags

100% ---- ?

=> 166 2/3 million bags.

2
218