# NCO- Cyber Olympiad (SOF) Class 9: Questions 178 - 183 of 522

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## Question number: 178

Edit
MCQ▾

### Question

How much pure alcohol should be added to 400ml of a 15 % solution to make its strength 32%?

### Choices

Choice (4)Response

a.

90 ml

b.

100 ml

c.

95 ml

d.

80 ml

## Question number: 179

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MCQ▾

### Question

Pointing to a Samita in photograph. Samir said, “Her mother’s brother is the only son of my mother’s father. ” How the Samita mother related to Samir?

### Choices

Choice (4)Response

a.

Aunt

b.

Sister

c.

Mother

d.

Grandmother

## Question number: 180

Edit
MCQ▾

### Question

Person A, B, C and D live in Pink, Green, Orange and Cyan Colored house placed in sequence on a street. C lives in an Orange house, B lives in a Pink house, the green house is adjacent to the Cyan house, A does not live adjacent to C. The Orange house is in between the green and pink house. The color of the house A lives in is________

### Choices

Choice (4)Response

a.

Pink

b.

Green

c.

Cannot be determined

d.

Cyan

## Question number: 181

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MCQ▾

### Question

What is the solution to ?

### Choices

Choice (4)Response

a.

45

b.

15

c.

35

d.

25

## Question number: 182

Edit
MCQ▾

### Question

What is the slope of the line ?

### Choices

Choice (4)Response

a.

b.

-4

c.

5

d.

## Question number: 183

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MCQ▾

### Question

The given question contains a set of figures. The four Images have certain common features. Select a figure from the option which is similar Images.

### Choices

Choice (4)Response

a.

b.

c.

d.

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