Q:

A) 2520 | B) 2880 |

C) 4320 | D) 5040 |

Answer: A) 2520

Explanation:

Explanation:

The number of ways of arranging n beads in a necklace is $\frac{(n-1)!}{2}=\frac{(8-1)!}{2}=\frac{7!}{2}$ = **2520**

(since n = 8)

25
2542

Q:

A) 25 : 28 | B) 36 : 7 |

C) 8 :25 | D) 12 : 7 |

10
1932

26
2937

Q:

A) M | B) J |

C) B | D) O |

Answer & Explanation
Answer:

Explanation:

Explanation:

Thus after arranging the letters as per English alphabetical series; we get; Thus 4th letter from the left end will be K.

17
3051

Q:

A) 2 | B) 3 |

C) 4 | D) 5 |

13
2488

Q:

A) T | B) X |

C) N | D) R |

Answer & Explanation
Answer: D) R

Explanation:

Explanation:

The first, the seventh, the ninth and the tenth letters of the word RECREATIONAL are R, T, O and N respectively. Meaningful word from these letters is only TORN. The third letter of the word is ‘R’.

8
2307

Q:

A) 16! × 2 | B) 14! × 2 |

C) 18! × 2 | D) 14! |

3
3310

Q:

A) 1/5225 | B) 1/5525 |

C) 5525 | D) 1/525 |

Answer & Explanation
Answer: B) 1/5525

Explanation:

Explanation:

n(S) = 52C3 = 132600/6 = 22100

n(E) = 4C3 = 24/6 = 4

8
2414