# NCO- Cyber Olympiad (SOF) Class 11: Questions 550 - 551 of 599

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## Question number: 550

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Appeared in Year: 2014

MCQ▾

### Question

Two rows of numbers are given. The resultant number in each row is to be worked out separately based on the following rules. The operations of the numbers progress from left to right.

Rules:

(i) If a two-digit odd number is followed by a prime number, the first number is to be multiplied by the prime number.

(ii) If an even number is followed by another even number, the first number is to be divided by the second number.

(iii) If an off number is followed by a composite odd number, the first number is to be added to the second number.

(iv) If an even number which is multiple of 5 is followed by another number which is a multiple of 5, the second number is to be subtracted from the first number.

(v) If a number which is perfect square is followed by another number which is perfect square, the resultant number is the product of the square roots of the two numbers.

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

### Choices

Choice (4) Response

a.

180

b.

165

c.

10

d.

22

## Question number: 551

Edit

Appeared in Year: 2014

MCQ▾

### Question

If ‘2’ is subtracted from each odd digit and ‘1’ is added to each even digit in the number 7652348, then which of the following will be the sum of the second digit from the right and the third digit from the left of the new number thus formed?

### Choices

Choice (4) Response

a.

6

b.

8

c.

4

d.

10