# NCO- Cyber Olympiad (SOF) Class 9: Questions 19 - 23 of 522

Access detailed explanations (illustrated with images and videos) to 522 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 350.00 or

How to register?

## Question number: 19

Edit
MCQ▾

### Question

I travelled southward 10km and another 1km westward. I turned northward and moved 20 km and again another 10 km eastward. A travel of another 10 km southward and then 5 km eastward ended my journey. Identify the sketch depicting my journey.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 20

Edit
MCQ▾

### Question

The bacteria in a culture grows by in the first hour, decreases by in the second hour and again increases by in the third hour. If at the end of the third hour the count of bacteria is 9000. The original count of bacteria in the sample is________

### Choices

Choice (4)Response

a.

11956

b.

11286

c.

11784

d.

11458

## Question number: 21

Edit
MCQ▾

### Question

The solution of the equations is

### Choices

Choice (4)Response

a.

b.

c.

d.

There is no solution

## Question number: 22

Edit
MCQ▾

### Question

Supply the right letter for the question mark (? ) in the following:

### Choices

Choice (4)Response

a.

Y

b.

W

c.

L

d.

P

## Question number: 23

Edit
MCQ▾

### Question

When simplified and expressed with negative exponents, the expression is equal to

### Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: