# NCO- Cyber Olympiad (SOF) Class 12: Questions 460 - 462 of 520

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## Question 460

Appeared in Year: *2014*

### Question

MCQ▾FLOSS (Free Libre Open Source Software) is the term used for free software that allows users to examine its source code, modify it and redistribute any modification. Which of the following softwares is an example of FLOSS? (SET-A)

### Choices

Choice (4) | Response | |
---|---|---|

a. | McAfee | |

b. | Microsoft Windows | |

c. | Mozilla Firefox | |

d. | Adobe Photoshop |

## Question 461

## Question 462

Appeared in Year: *2014*

### Question

MCQ▾In the following question, two rows of numbers are given. The resultant number in each row is to be worked out separately based on the following rules and the question below the rows of numbers are to be answered. The operation of numbers progresses from left to right.

Rules:

(i) If an odd number is followed by another composite odd number, they are to be multiplied.

(ii) If an even number is followed by an odd number, they are to be added.

(iii) If an even number is followed by a number which is a perfect square, the even number is to be subtracted from the perfect square.

(iv) If an odd number is followed by a prime odd number, the first number is to be divided by the second number.

(v) If an odd number is followed by an even number, the second one is to be subtracted from the first one.

If x is the resultant of the first row what is the resultant of the second row?

(SET A)

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | 32 | |

d. |